Linear Relationship Review

Determine the constant rate of change between x and y

• 2/4
• 2
• -4
• 1/-4

Tory runs at a constant rate. The graph of his progress is shown. Which statements are true?

• the slope of the line 5/2 mile per minute is different than the unit rate
• the slope of the line 2/5 mile per minute is different then the unit rate
• the slope of the line  5/2 mile per minute is the same as the unit rate
• the slope of the line  2/5 mile per minute is the same as the unit rate

Triangles QAR and triangle RHS are similar right triangles 

• The slope of QR is the same as the slope of RS
• The slope of RS is bigger than the slope of QR
• The slope of RS is 3 times bigger than the slope QR

What is the number of cakes per hour jasmine can decorate?

• 9
• 6
• 3
• 0

The graph of the linear function is shown on the coordinate grid. What is the y-intercept of the graph of the linear function? 

• 2
• 0
• 6
• -6

Write an equation in slope–intercept form for the graph of this line. 

• y=-15x-25
• y=-15x
• y=-(1/25)x+15
• y=-25x+15

Write an equation that can be used to describe the relationship between x and y shown in the graph. 

• y=2x
• y=0.5x
• y=-2x
• y=-0.5x

Mrs. Nelson decided to buy ice cream for all her students. Baskin Robbins charges a $15 delivery fee to deliver the ice cream to MCJH. Each sundae will cost $4.50. Write an equation that represents the cost of buying ice cream from Baskin Robins?

• y=15x+4.50
• y=4.50x+15
• y=19.50x

The graph shows how the number of weeks x relates to the corresponding amount of money saved y. Create an equation that represents the relationship

• y=x+30
• y=30x+1
• y=5x+30
• y=30x+5

Mark Ingram can run 40 yards in 4.5 seconds. Write an equation to represent this rate.

• y=(40/4.5)x
• y=(4.5/40)x
• y=40x+4.5
• y=4.5x+40