X and Y Intercepts
Slope
Direct Variation
Arithmetic Sequences
Proportional Relationships
100

Find the y-intercept: 16x +3y= -21

-7

100

What is the slope of a line that goes through these points: (0,6) (2,2)

-2

100

What equation do you use for direct variation?

y=kx

100
Find the next number in this sequence: 

5, 8, 11, ____, 17, 20

14

100

y=2x 

Fill in the missing numbers on the chart: 

x     y 

1      2

2     ____

____  6

6

200

Find the x-intercept: 9x-3y= 24

Remember to write your answer as a simplified fraction if you need to. 

8/3

200

What does a slope of 0 look like?

-----------------

Straight line parallel to the x-axis

200

In a direct variation, y=20 when x=4.

Write a direct variation equation that shows the relationship between x and y. 

y=5x

200
Find the numbers that fit into the missing spaces in this arithmetic sequence: 

-62, _____, -42, -32, -22, _____, -2, 2

-52, -12

200

I receive $7.25 for each hour I work, with no starting bonus or overtime. Is this a proportional relationship?

Yes

300

Find the x-intercept: 4y +7x= -12

x= -12/7

300

What does an undefined slope look like?

Straight up and down- straight line on the y-axis

300

In a direct variation, y=80 when x=5.

 Write a direct variation equation that shows the relationship between x and y.

y=16x

300

Find the numbers that fit into this sequence: 

.4, _____. 1.4, 1.9, ______, 2.9, 3.4

.9, 2.5

300

Marvin has already taken 2 pictures at home, and he expects to take 1 picture during every day of vacation. Is the total number of pictures taken proportional to the number of days spent on vacation?

No

400

Find the x-intercept and y-intercept: 3x+ 5y= 15

x-intercept= 5

y-intercept= 3

400

What is the slope of the line that goes through these points: (-4,3) (2, -6)

-3/2

400

In a direct variation, y=12 when x= –4.

Write a direct variation equation that shows the relationship between x and y.

y=-3x

400

What is the value of the sequence for this set of numbers: 

1.13, 2.26, 3.39, 4.52, 5.65

+1.13

400

Gary already has 45 plants in his backyard, and he can also grow 7 plants with every seed packet he uses. Is the total number of plants in the backyard proportional to the number of seed packets used?

No

500

Find both the x-intercept and y-intercept: 20x+8y=-5

x-int: -1/4

y-int: -5/8

500

If a line crosses the y-intercept at (0,4) and crosses the x-intercept at (2,0), what is the slope of the line?

2

500

In a direct variation, y= – 83.6 when  x=22.

 Write a direct variation equation that shows the relationship between x and y.

y= -3.8x

500

What is the missing number in this sequence? Be sure to simplify your answer if needed.

-1/8, -3/16, -1/4, ______, -3/8, -7/16

-5/16

500

y= -2/5x

Fill in the missing spots on the chart: 

x        y  

5        -2

10     _____

-6     _____

-4

12/5

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