secondary 1 vocabulary cards and word walls · pdf fileup with itself. odd function a ......
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Secondary 1 Vocabulary Cards and Word Walls
Revised: June 27, 2012
Important Notes for Teachers:
The vocabulary cards in this file match the Common Core, the math curriculum adopted by the Utah State Board of Education, August 2010.
The cards are arranged alphabetically. Each card has three sections.
o Section 1 is only the word. This is to be used as a visual aid in spelling and pronunciation. It is also used when students are writing their own “kid-friendly” definition and drawing their own graphic.
o Section 2 has the word and a graphic. This graphic is available to be used as a model by the teacher.
o Section 3 has the word, a graphic, and a definition. This is to be used for the Word Wall in the classroom. For more information on using a Word Wall for Daily Review – see “Vocabulary – Word Wall Ideas” on this website.
These cards are designed to help all students with math content vocabulary, including ELL, Gifted and Talented, Special Education, and Regular Education students.
For possible additions or corrections to the vocabulary cards, please contact the Granite School District Math Department at 385-646-4239. Bibliography of Definition Sources:
Algebra1 Common Core, Pearson, 2012, ISBN -13: 978-0-133-18549-2 Geometry Common Core, Pearson, 2012, ISBN -13: 978-0-133-18583-6 Algebra to Go, Great Source, 2000. ISBN 0-669-46151-8 Math on Call, Great Source, 2004. ISBN-13: 978-0-669-50819-2 Math at Hand, Great Source, 1999. ISBN 0-669-46922 Math to Know, Great Source, 2000. ISBN 0-669-47153-4 Illustrated Dictionary of Math, Usborne Publishing Ltd., 2003. ISBN 0-7945-0662-3 Math Dictionary, Eula Ewing Monroe, Boyds Mills Press, 2006. ISBN-13: 978-1-59078-413-6 Student Reference Books, Everyday Mathematics, 2007. Houghton-Mifflin eGlossary, http://www.eduplace.com Interactive Math Dictionary, http://www.amathsdictionaryforkids.com/
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marginal frequency
marginal frequency
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
marginal frequency
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
The total row and total column report
the marginal frequencies or
marginal distribution.
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mean
mean
Data Set: 14, 21, 27, 33, 45, 46, 52
Step 1: 14 + 21 + 27 + 33 + 45 + 46 + 52 = 238
Step 2:
238 ÷7 = 34
mean
Data Set: 14, 21, 27, 33, 45, 46, 52
Step 1: 14 + 21 + 27 + 33 + 45 + 46 + 52 = 238
Step 2: 238 ÷7 = 34
The sum of a set of numbers divided by the
number of elements in the set. (A type of average)
mean
mean
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median
median
14, 21, 27, 33, 45, 46, 52
median
14, 21, 27, 33, 45, 46, 52 The middle number of a set of numbers when the numbers are arranged from least to
greatest, or the mean of two middle numbers when the set
has two middle numbers.
median
median
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numerical (quantitative) data numerical
(quantitative) data
Counting the number of students getting on a school.
numerical (quantitative)
data
Counting the number of
students getting on a school.
Numerical/quantitative data are
numbers in context. Examples:
'there are 43 flies on the ceiling' 'there are 5 pieces of gum in a pack' 'there are 8 planets in the solar
system'
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odd function
odd function
h(x) = x3 is an example of an odd function.
Notice that if you rotate the graph 180° around the origin, it will match
up with itself.
odd function
A function is odd if
-f (x) = f (-x) for all x in the domain of the function, or
( ) ( ) 0f x f x . Geometrically, the graph of
an odd function has rotational symmetry with
respect to the origin.
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outlier
outlier
Looking back at Bob’s points scored, any outliers lie outside the interval (3.25, 17.25).
outlier
Looking back at Bob’s points scored, any
outliers lie outside the interval (3.25, 17.25). Extreme values that differ greatly from the other observations.
As a rule, an extreme value is considered
to be an outlier if it is at least 1.5 interquartile ranges below the lower
quartile (Q1), or at least 1.5 interquartile ranges above the upper quartile (Q3).
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output
output f(x) = 2(x + 1) – 7
input: x = 3
f(3) = 2(3 + 1) – 7 = 2(4) – 7
= 8 – 7 = 1
output is 1
output
f(x) = 2(x + 1) – 7
input: x = 3
f(3) = 2(3 + 1) – 7 = 2(4) – 7
= 8 – 7 = 1
output is 1
A value of the dependent variable.
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parallel lines
parallel lines
parallel lines
Two lines in the same plane that never
intersect. Parallel lines have the same slope.
x
y
x
y
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parallelogram
parallelogram
parallelogram
A quadrilateral with two pairs of parallel and congruent sides.
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parameter
parameter
parameter
A constant or variable term in a function that
determines the specific form of the function but not its
general nature, as a in f(x) = ax, where a determines only
the slope of the line described by f(x).
-5 -4 -3 -2 -1 1 2 3 4 5
-5
-4
-3
-2
-1
1
2
3
4
5
x
y( )f x x( ) 2f x x
1( )
2f x x
-5 -4 -3 -2 -1 1 2 3 4 5
-5
-4
-3
-2
-1
1
2
3
4
5
x
y( )f x x( ) 2f x x
1( )
2f x x
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perimeter
perimeter
perimeter
The continuous line forming the boundary of a closed geometric
figure.
6 cm
3 cm
4 cm 4 cm
Perimeter = 4cm + 6cm + 4cm + 3cm = 17cm
6 cm
3 cm
4 cm 4 cm
Perimeter = 4cm + 6cm + 4cm + 3cm = 17cm
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perpendicular bisector of a segment
perpendicularbisector
of a segment
perpendicular bisector
of a segment
A line, segment, or ray that is perpendicular to the
segment at its midpoint.
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perpendicular lines
perpendicular lines
perpendicular lines
Lines that intersect to form right angles. Two lines are perpendicular if the product
of their slopes is -1.
x
y
x
y
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point
point
point
In Euclidean geometry, a point is undefined. You can think of a point as a
location. A point has no size.
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polygon
polygon
polygon
A closed figure formed from line segments that meet only at
their endpoints.
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Pythagorean Theorem
PythagoreanTheorem
a2 + b2 = c2
a = 3 b = 4 c = 5 32 + 42 = 52 9 + 16 = 25
Pythagorean Theorem
a2 + b2 = c2
a = 3 b = 4 c = 5 32 + 42 = 52 9 + 16 = 25
In any right triangle, the sum of the squares of the length legs (a and b) is equal to the square of the length of the
hypotenuse c.
ab
c
ab
c
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quartile first quartile (Q1) third quartile (Q3)
quartile
first quartile (Q1) third quartile (Q3)
quartile
first quartile (Q1) third quartile (Q3)
For a data set with median M, the first quartile is the median of the data values
less than M.
For a data set with median M, the third quartile is the median of the data values
greater than M.
25% min
Q1 med M max
Q3
25% 25%
25%
25%
min Q1 med
M max Q3
25% 25%
25%
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range (statistics)
range
(statistics)
range
(statistics)
The difference between the greatest number and the least number in a set
of numbers.
Number of Pets
x x x x x x x x
x x x x x
x x x
x x x
x
5 – 1 = 4
Range is 4.
Number of Pets
x x x x x x x x
x x x x x
x x x
x x x
x
5 – 1 = 4
Range is 4.
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range
range {(2, -3), (4, 6), (3, -1), (7, 6), (6, 3)}
range: {-3, 6, -1, 6, 3}
range
{(2, -3), (4, 6), (3, -1), (7, 6), (6, 3)}
range: {-3, 6, -1, 6, 3}
The set of “output” values for which a function is defined.
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rate of change
rate of change
Changein the input
Change in theoutput 125 75
5 0
52
3 2
5
Input Output
1 25 3 75 5 125 7 175 9 225
rate of change
Changein the input
Change in theoutput 125 75
5 0
52
3 2
5
Input Output
1 25 3 75 5 125 7 175 9 225
The ratio of the change in the output value and change in
the input value of a function.
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rectangle
rectangle
rectangle
A quadrilateral with two pairs of congruent,
parallel sides and four right angles.
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recursive
recursive2, 5, 8, 11, 14…
an = an – 1 + d
an = an – 1 + 3
recursive 2, 5, 8, 11, 14…
an = an – 1 + d
an = an – 1 + 3
Pertaining to or using a rule or procedure that can be applied
repeatedly.
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reflection
reflection
reflection
A transformation such that if a point A is on line r, then the image of A is itself, and if a point B is not on line r, then it is
image B’ is the point such that r is the perpendicular
bisector of 'BB .
A = A’
B
B’
A = A’
B
B’
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regression equation
regression equation
regression equation
The equation representing the relation between selected
values of one variable (x) and observed values of the
other (y); it permits the prediction of the most probable values of y.
5 10 15 20 25 30 35 40
100
200
300
400
500
600
700
0
y = 11.731x + 193.85
Fat (g)
Cal
orie
s
5 10 15 20 25 30 35 40
100
200
300
400
500
600
700
0
y = 11.731x + 193.85
Fat (g)
Cal
orie
s
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regular hexagon in a circle
regular hexagon in a
circle
regular hexagon in a
circle
A regular hexagon that has been inscribed in a circle.
O
O
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regular polygon
regular polygon
regular polygon
A polygon that is both equilateral and equiangular. Its center is the point that is equidistant from its vertices.
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residuals
residuals
The residual plot shows a random pattern indicating a good fit for a linear model.
residuals
The residual plot shows a random pattern indicating a good fit for a linear model. Residual (or error) represents
unexplained variation after fitting a regression model. The difference between the observed value of the dependent variable (y) and the predicted value (ŷ) is
called the residual (e).
e = y – ŷ
-5
-3
-1
1
3
5
0 2 4 6 8 10 12
-5
-3
-1
1
3
5
0 2 4 6 8 10 12
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rigid motion
rigid motion
rigid motion
A transformation in the plane that preserves distance and angle
measure.
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rotation
rotation
rotation
A transformation such that for any point V, its image is
the point V’, where RV = RV’ and 'm VRV x . The
image R itself. The positive number of degrees x that a
figure rotates is the angle of rotation.
R V
V’
R’ x○
R V
V’
R’ x○
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SAS
SAS
SAS
SAS (Side-Angle-Side)
If two sides and the included angle of a triangle are congruent
to two sides and the included angle of another triangle, then
the two triangles are congruent.
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scatter plot
scatter plot
scatter plot
A graphic tool used to display the relationship
between two quantitative (numerical) variables.
66 68 70 72 74 76 78
150
175
200
225
Height (inches)
Wei
ght
(pou
nd
s)
66 68 70 72 74 76 78
150
175
200
225
Height (inches)
Wei
ght
(pou
nd
s)
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segment
segment
segment
Part of a line that is bounded by two end points, and contains
every point on the line between its end points.
A B
A B
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set builder notation
set buildernotation
| and 0x x x
This is read as “the set of all values x such that x
is a real number and x is greater than 0.
set builder notation
| and 0x x x
This is read as “the set of all values x such that x is a real
number and x is greater than 0.
A notation used to describe the elements
of a set.
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shape
shape
shape
The shape of a distribution is described by
symmetry, number of peaks, direction of
skew, or uniformity.
1-5 6-10 11-20 21-25 26-30 31-35 36-40 41-45 46-50
1-5 6-10 11-20 21-25 26-30 31-35 36-40 41-45 46-50
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simultaneous equations
simultaneous equations
2x – 5y = 1
3x + 5y = 14
simultaneous equations
2x – 5y = 1
3x + 5y = 14
A set of equations in two or more variables for which there are values that can satisfy all the equations
simultaneously.
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slope
slope
slope
Slope describes steepness, incline, or grade of a line.
A higher slope value indicates a steeper incline. The slope of a line is the ratio of the change in y over the change in x.
xy
slopeyx
xy
slopeyx
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slope formula
slope formula
slope formula
The formula used to find the
slope of a line. Slope is often represented with the
variable m. rise
runslope =
yx
12 1
2
2 1
, where 0m x xx xy y
2
1
1
2 3 1 2 1
4 0 4 2m
xy y
x
2
1
1
2 3 1 2 1
4 0 4 2m
xy y
x
x
y
(0, 1)
(4, 3)
x
y
(0, 1)
(4, 3)
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solution
solution
Examples:
The only solution for the equation 2x – 15 = -3 is x = 4.
The solutions which satisfy the inequality 2x + 3 ≤ 7 are all values which are less than or equal to x, denoted x ≤ 2, or (-∞, 2].
solution
Examples:
The only solution for the equation 2x – 15 = -3 is x = 4.
The solutions which satisfy the inequality 2x + 3 ≤ 7 are all values which are less than or equal to x, denoted x ≤ 2, or (-∞, 2].
Any and all value(s) of the variable(s)
which; satisfies an equation, or inequality.
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solution area
solution area
solution area
A value or ordered pair is in the solution area of an inequality if the value or values from the ordered pair make the inequality
true when substituted into the inequality.
(3, 5)
solution area
Example: (3, 5) is a solution.
(3, 5)
solution area
Example: (3, 5) is a solution.
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solution point
solution point
solution point
A solution point or intersection; is a
single point where two lines meet or cross each other.
-5 -4 -3 -2 -1 1 2 3 4 5
-5
-4
-3
-2
-1
1
2
3
4
5
x
y
The solution point is the ordered pair where the two lines intersect (4, -2).
-5 -4 -3 -2 -1 1 2 3 4 5
-5
-4
-3
-2
-1
1
2
3
4
5
x
y
The solution point is the ordered pair where the two lines intersect (4, -2).
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spread
spread
spread
A measure of how much a collection of data is spread out. Commonly used types include range, quartiles, and
standard deviation. (Also known as measures of
variation or dispersion.)
1-20 21-40 41-60 61-80
0
2
4
6
8
10
12
14
16
Number of Weeks
Freq
uenc
y
Number of Weeks on the Top 200 Chart
Range = 80
0
2
4
6
8
10
12
14
16
Number of Weeks
Freq
uenc
y
Number of Weeks on the Top 200 Chart
Range = 80
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square
square
square
A parallelogram with four equal angles AND four
equal sides.
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SSS
SSS
SSS
SSS (Side-Side-Side)
If the three sides of one triangle are congruent to the three sides of another
triangle, then the two triangles are congruent.
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standard deviation
standard deviation
standard deviation
A numerical value used to indicate how
widely the individual data in a
group vary.
Graph 1 Graph 2
Example: In Graph 1 two sets of data are being compared. They have the same mean, but the standard deviations are different. The red distribution has a greater spread than the blue distribution. In Graph 2 the two distributions have about the same spread/standard deviation, but different means.
Graph 1 Graph 2
Example: In Graph 1 two sets of data are being compared. They have the same mean, but the standard deviations are different. The red distribution has a greater spread than the blue distribution. In Graph 2 the two distributions have about the same spread/standard deviation, but different means.
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statistical variability
statistical variability
statistical variability
A variability or spread in a variable or a
probability distribution. Common examples of measures of statistical dispersion
are the variance, standard deviation, and
interquartile range.
lower extreme
lower quartile (Q1)
median
upper quartile (Q3)
upper extreme
lower extreme
lower quartile (Q1)
median
upper quartile (Q3)
upper extreme
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substitution
substitution
substitution
A method for solving a system of linear equations. It is used to eliminate one
of the variables by isolating one variable in
one equation, and substituting the resulting
expression for that variable in the other equation.
3 2 4 2 6y x and x y
Solution: (-1, -1)
1
4 2(3 2) 6
4 6 4 6
10 4 6
4 4
10 10
10 10
1
x xx xx
x
x
Substitute for y and solve for x.
3( 1) 2
3 2
1
yy
y
2 Substitute for x and solve for y.
3 2 4 2 6y x and x y
Solution: (-1, -1)
1
4 2(3 2) 6
4 6 4 6
10 4 6
4 4
10 10
10 10
1
x xx xx
x
x
Substitute for y and solve for x.
3( 1) 2
3 2
1
yy
y
2 Substitute for x and solve for y.
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system of equations
system of equations
system of equations
A system of equations is two or more equations with the same variables, graphed on
same coordinate plane.
y = -x + 3
y = 2x
(1, 2)
y = -x + 3
y = 2x
(1, 2)
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system of linear inequalities
system of linear
inequalities
system of linear
inequalities
A system of inequalities is two or more inequalities with the same variables, graphed on the same coordinate plane. The set of
solutions of a system of linear inequalities corresponds to the intersection of the half-planes
defined by individual inequalities.
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table of values
table of values
x f(x) 0 1 1 4 2 7 3 10 4 13 5 16 6 19
table of values
x f(x) 0 1 1 4 2 7 3 10 4 13 5 16 6 19
A list of numbers that are used to substitute one variable, such as within an equation of a line or other functions, to find the value of the other variable.
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term
term
term
A mathematical expression which may
form a separable part of an equation, a series, or
another expression.
term
3x – 5 = -7x + 10
term
3x – 5 = -7x + 10
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transformation
transformation
transformation
To change the position of a shape or function on a coordinate plane. There are three basic
transformations:
translations reflections rotations
pre image
image
y = 2x
y = 2(x – 4) – 4
pre image
image
y = 2x
y = 2(x – 4) – 4
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translation
translation
translation
A transformation that moves points the same distance in
the same direction.
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trapezoid
trapezoid
trapezoid
A quadrilateral with only one pair of parallel sides.
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trend
trend Males vs. Females in the US Military
Although there are still more males than females in the Armed Forces, the trend is that the gap is closing. However,
there is no association between the number of females and the number of males in the US Military. That is, we cannot draw
any conclusions about a relationship between the two.
trend Males vs. Females in the US Military
Although there are still more males than females in the Armed Forces, the trend is that the gap is
closing. However, there is no association between the number of females and the number of males in
the US Military. That is, we cannot draw any conclusions about a relationship between the two.
A change (positive, negative or constant) in data values over time.
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triangle
triangle
triangle
A polygon with three sides and three angles.
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two-way frequency table
two-way frequency
table
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
two-way frequency
table
Dance Sports Movies TOTAL
Women 16 6 8 30
Men 2 10 8 20
TOTAL 18 16 16 50
A tool used for examining
relationships between categorical
variables.
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vertical intercept
vertical intercept
vertical intercept
Also known as the y-intercept. It can be
found by substituting “0” for the variable x in the
equation y = mx + b.
y = m • 0 + b
x
y
(0, -4)
x
y
(0, -4)
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vertical translation
vertical translation
f(x) f(x) + 2
vertical translation
f(x) f(x) + 2
Vertically translating a graph is equivalent to
shifting the parent function up or down in the direction of the y-axis. A graph is
translated k units vertically by moving each point on
the graph k units vertically.
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x-intercept
x-intercept
x-intercept
The point at which a function crosses the x-axis.
x
y
(2, 0)
x
y
(2, 0)
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y-intercept
y-intercept
y-intercept
The point at which a function crosses the y-axis.
x
y
(0, -4)
(0, -4)
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