IM Unit 3 Review: Linear Relationships

Select all the points that are on the graph of the line x+2y=10.

(two answers)

• (0,5)

• (0,10)

• (1,2)

• (1,4)

• (10,0)

A movie app tracked the number of movies downloads each month for 4 categories, represented by lines h = horror s = science fiction, c = comedy, d = drama over the course of a year.

• Comedy downloads went down

• Horror downloads decreased steadily

• Drama downloads remained constant

• Science fiction rose faster than Drama downloads

Pool A holds twice as many people as pool B. Pool B holds twice as many people as Pool C. Select all the graphs that could represent how many people pool A, B and C hold for different hours in the day.

Hint be sure to look at the axes on each graph.

• 
• 
• 
• 
• 

Which equation represents line p?

• y=4

• x=-4

• y=1x-1

• y=-2x+4

Which equation represents line m?

• y=4

• x=-4

• y=1x-1

• y=-2x+4

Which equation represents line L?

• y=4

• x=-4

• y=1x-1

• y=-2x+4

Which equation represents line n?

• y=4

• x=-4

• y=1x-1

• y=-2x+4

Three bicyclist are training for a race. One day, they all rode about 20 miles, each at their own constant speed. Which bicyclist has the fastest pace? (Who would finish 1 mile first?)

• Bicyclist 1

• Bicyclist 2

• Bicyclist 3

It costs $0.50 to buy a pencil and $4 to buy a box of pencils. John has exactly $15 to spend.

How many boxes of pencils could he buy if he buys 6 pencils?

• 0

• 3

• 4.5

• 15

• 22

It costs $0.50 to buy a pencil and $4 to buy a box of pencils. John has exactly $15 to spend.

How many pencils could he buy if he buys 1 box of pencils?

• 0

• 3

• 4.5

• 15

• 22