algebra 1 eoc important formulas to know (this review was created for a basic review of formulas....
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Algebra 1 EOC Important Formulas
to Know(This review was created for a basic
review of formulas. The items included are intended to reinforce recall of basic facts and formulas.
The Powerpoint is not intended as a comprehensive EOC review of
content.)
What is the formula for slope?
Response
𝑚=𝑦2− 𝑦1𝑥2− 𝑥1
What is slope-intercept form of a
linear equation?
Response
𝒚=𝒎𝒙+𝒃
In the equation, , what does the
represent?
Response
The y-intercept
In the equation, , what does the represent?
Response
The slope
What is the slope of a vertical line?
Response
Undefined
Rewrite this equation in standard form
Response
𝒚=𝟒𝟓𝑥+𝟐
What form of a linear equation is
?
Response
Point-slope form
Rewrite
in “standard form”.
Response
Standard Form
Identify the x- and y- intercepts of
Response
x- intercept is 3.y- intercept is -2.
Describe the transformation of the parent function to
Response
A vertical translation up 3 units.
Or a vertical shift of 3.
What does the r represent?
Response
R represents the correlation coefficient
Describe the correlation.(Strong positive, strong negative, weak positive, weak negative, no
correlation)for
Response
Strong negative correlation
Describe the correlation.(Strong positive, strong negative, weak positive, weak negative, no
correlation)for
Response
No correlation
Describe the correlation.(Strong positive, strong negative, weak positive, weak negative, no
correlation)for
Response
Weak positive correlation
Classify the System
Response
Independent system
Classify the System
Response
Inconsistent
Classify the System
Response
Dependent system
Simplify
Response
8
Simplify the expression. All variables represent nonnegative numbers.
Response
𝒙𝟐𝒚𝟒
Rewrite the polynomial in standard form.
Response
−𝟒 𝒙𝟑− 𝒙𝟐+𝟐𝟎𝒙+𝟐
What degree is the polynomial?
Response
The degree of the polynomial, , is 5.
Classify the polynomial according to its degree and
number of terms.
Response
Quartic Trinomial
Factor
Response
(𝟗+𝒙)(𝟗−𝒙)
Find the GCF of
Response
𝟔 𝒙𝟐 𝒚
What is the name for the highest or lowest point in a
parabola?
Response
The vertex
What formula could we use to find the axis of symmetry for ?
Response
𝒙=−𝒃𝟐𝒂
What would you add to the expression
to complete the square?
Response
16
What is the quadratic formula?
Response
𝒙=−𝒃±√𝒃𝟐−𝟒𝒂𝒄𝟐𝒂
What formula would you use if
you want to know how many real
solutions a quadratic has?
Response
The discriminant
Does this equation represent growth
or decay?
Response
Exponential Growth
Find the interquartile range
for1,2,3,4,5,6,7,8,9,1
0 ?
Response
𝟓
A bacteria population
doubles every hour.
What type of function best models this situation?
Response