Constant rate of change
Slope
Slope intercept form
x and y intercept
Review
100

Find the constant rate of change

x   3    6    9     12    18

y   5    6    7      8      9 

1/3

100

Find the slope of (0,2) and (3, 5)

3/3 or 1

100

What is the y-intercept of y=3x+16

16

100

What are the x and y intercepts of 2x-3y=-24

x int=-12

y int = 8

100

2 3/4 x  3  2/3

121/12 = 10 1/12

200

Find the constant rate of change.

x   2    4    6    8    10

y   6   12  18   24   30

6/2 or 3

200

Find the Slope of (22,22) and (3,-11)

-33/19

200

What is the slope and y intercept of y=9x-6

m=9

b=-6

200

Find the x and y intercepts of -3x -2y =6

x int = -2

y int = -3

200

4  7/8  -  6  3/4 

-1  7/8

300

Find the constant rate of change

x   1.5  2.25   3    3.75

y   2.1  3.2   4.3   5.4

1.1/0.75  or 1.47

300

Find the slope of (0,-5) and (3,-4)

1/3

300

What is the slope and y intercept of -3x + y = 1

m=3

b=1

300

what are the x and y intercepts of 4x -3y = -12

x int = -3

y int = 4

300

{(3x2y4z)3}2

729x12y24z6

400

Find the constant rate of change AND tell if the function is proportional.

x  4   8   12   16

y  6   9   12   15

No, not proportional

Constant rate of change is 3/4

400

Find the slope of (0,2) and (4,-1)

-3/4

400

Given a slope of 2/3 and a y intercept of -7 write an equation in slope intercept form.

y = 2/3 x -7

400

Find the x and y intercepts of -6x +2y = -12  AND graph it.

x int = 2

y int = -6

400

4x + 10 = 7x - 14

x=8

500

Find the constant rate of change and tell if the function is proportional.

x   2.25  3   3.75   4.5

y   1.5   2    2.5     3 

Yes it is proportional  and the constant rate of change is 0.5/0.75  or 2/3

500

What is the slope of a ski run that rises 5 feet for every horizontal change of 20 feet?

1/4

500

list the slope and y intercept AND Graph

y=-1/4 x -5

m=-1/4

b=-5

500

Erica earned $145 by selling x hot dogs and y spring rolls.  Each hot dog costs $2.50 and each spring roll costs $1.75.  The relationship can be represented by the function 2.50x+1.75y=145.  Find the x and y intercepts of the function and graph it. 

x int = 58

y int = 82.9

500

(3.5 x 105) - (5.2 x 104)

2.98 x 105