scatter plots all mixed up standard form point slope form slope intercept form $500 $400 $300 $200...
TRANSCRIPT
Scatter Plots
ALL Mixed Up
Standard Form
Point Slope Form
Slope Intercept
Form
$500$500$500$500$500
$400$400$400$400$400
$300$300$300$300$300
$200$200$200$200$200
$100$100$100$100 $100
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Slope Intercept Form - $100
The slope intercept form with all the letters explained.
ANSWER
Slope Intercept Form - $200
ANSWER
The equation of the line in slope – intercept form which has a slope of 3 and a y – intercept of 8.
Slope Intercept Form - $300
ANSWER
The equation of the line in slope – intercept form which goes through the point (3, 2) and has a slope of 3.
Slope Intercept Form - $400
ANSWER
The equation of the line in slope – intercept form which goes through the points (– 2, 4) and (2, 6).
Slope Intercept Form - $500
ANSWER
The equation of the line in slope – intercept form which is parallel to the line and has an x – intercept of –4.
12
3y x= -
Point Slope Form Part 1 - $100
ANSWER
The point slope intercept form with all the letters explained.
Point Slope Form Part 1 - $200
ANSWER
The equation of the line in point - slope form which has a slope of and goes through the point (2, 3).
13
-
Point Slope Form Part 1 - $300
ANSWER
The equation of the line in point - slope form which goes through the points (5, 9) and (–3, –10).
Point Slope Form Part 1 - $400
ANSWER
The equation of the line in point - slope form which has an x – intercept of –3 and a slope of 2.
Point Slope Form Part 1 - $500
ANSWER
The equation of the line in point - slope form which goes through the point (5, 8) and is perpendicular to the line . 2
35y x= +
Standard Form - $100
ANSWER
The standard form with all the letters explained.
Standard Form - $200
ANSWER
37
2y x= -
Rewrite the equation below in standard form with integer coefficients.
Standard Form - $300
ANSWER
Write the equation of the line in standard form with integer coefficients that has a slope of –2 and a y – intercept of 3.
Standard Form - $400
ANSWER
Write the equation of the line in standard form with integer coefficients that goes through the points (–1, 4) and (–7, –5).
Standard Form - $500
ANSWER
Write the equation of the line in standard form with integer coefficients that has an x – intercept of 5 and a y – intercept of –2.
ALL Mixed Up - $100
ANSWER
Find the equation of the line passing through the points (6, 7) and (–9, 7).
ALL Mixed Up - $200
ANSWER
Find the equation of the line passing through the points (–6, 7) and (–6, –10).
ALL Mixed Up - $300
ANSWER
3A. 7
43
B. 744
C. 73
4D. 7
3
y x
y x
y x
y x
=- +
= -
= +
=- -
Which of these lines is perpendicular to the line
37
4y x= +
ALL Mixed Up - $400
ANSWER
x
y
What is the equation of the line shown?
ALL Mixed Up - $500
ANSWER
I. 2 3 15
II. 4 6 24
III. 2 24
x y
x y
x y
- =
- =-
- =-
Which of these lines are parallel to each other?
Scatter Plots - $100
ANSWER
x
y
The graph to the right shows what type of correlation?
Scatter Plots - $200
Which of the points could be used to find the equation of the line of best fit?
ANSWER
x
y
A) (0, 2)
B) (1, –1 )
C) (–1, 2 )
D) (1, –2 )
Scatter Plots - $300
ANSWER
In your own words, explain the steps used to find the equation of a line from a scatter plot.
Scatter Plots - $400
ANSWER
x
yWhich of the equations could be the equation of the line of best fit?
A)1
.82
y x=- +
2 .8y x=- +B)
2 .8y x= +C)
1.8
2y x= +D)
Scatter Plots - $500
ANSWER
x
yWhich of the following statements could be made to reflect the scatter plot if x represents price and y represents purchases?
A) As the price increases, the number of purchases increases.
B) As the price decreases, the number of purchases increases.
C) As the price decreases, the number of purchases decreases.
D) There is no correlation between price and purchases.
****Answers****
Slope Intercept Form - $100
DONE
is the slope
is the intercept
y mx b
m
b y
= +
Slope Intercept Form - $200
DONE
3 8y x= +
Slope Intercept Form - $300
DONE
3 7y x= -
Slope Intercept Form - $400
DONE
15
2y x= +
Slope Intercept Form - $500
DONE
12
2y x= +
Point Slope Form Part 1 - $100
DONE
( )
is the slope
is the x value of the point
is the y value of the point
y b m x a
m
a
b
- = -
Point Slope Form Part 1 - $200
DONE
( )13 2
3y x- =- -
Point Slope Form Part 1 - $300
DONE
( )
( )
199 5
8
1910 3
8
y x
or
y x
- = -
+ = +
Point Slope Form Part 1 - $400
DONE
0 2( 3)y x- = +
Point Slope Form Part 1 - $500
DONE
38 ( 5)
2y x- =- -
Standard Form - $100
DONE
, , and are just numbers
and do not tell us anything
about the line.
Ax By C
A B C
+ =
Standard Form - $200
DONE
3 2 14x y- + =-
Standard Form - $300
DONE
2 3x y+ =
Standard Form - $400
DONE
3 2 11x y- + =
Standard Form - $500
DONE
2 5 10x y+ =-
ALL Mixed Up - $100
DONE
7y =
ALL Mixed Up - $200
DONE
6x =-
ALL Mixed Up - $300
DONE
ALL Mixed Up - $400
DONE
33
4y x= +
ALL Mixed Up - $500
DONE
Scatter Plots - $100
DONE
POSITIVE CORRELATION
Scatter Plots - $200
DONE
Scatter Plots - $300
DONE
Plot the points
Draw a line of best fit
Find two points ON THE LINE
Find the slope between the points
Write the equation in point – slope form
Scatter Plots - $400
DONE
Scatter Plots - $500
DONE
CONTINUE
CONTINUE
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