Review Unit 3 CSA #1

What is the equation of the graph below?

• y = 240x + 30

• y = -1/10x + 240

• y = -1/6x + 240

• y = 100x + 30

Tags

CCSS.7.RP.A.2D

Emily saved $70 by doing yard work. She earns $20 every week for babysitting her sister. Which function can be used to find t?

• t = 20w + 70

• t = 70n + 20

• t = 90w

• t = 70n

How much does Mike make per hour?

• $11.00 per/hr

• $13.50 per/hr

• $15.00 per/hr

• $14.25 per/hr

Tags

CCSS.6.RP.A.3B

Triangle DEF and Triangle GHI are similar right triangles. Which proportion can be used to show that the slope of AC is equal to the slope of CE?

• 
• 
• 
• 

What is the slope and y-intercept of the graph:

• Slope: 1, y-intercept: -2

• Slope: 2, y-intercept: 3

• Slope: -1, y-intercept: 0

• Slope: 1, y-intercept: 1

Tags

CCSS.7.RP.A.2D

What is the slope and y-intercept of the graph:

• Slope: -1, y-intercept: 3

• Slope: 2, y-intercept: -1

• Slope: -1/3, y-intercept: 3

• Slope: 1, y-intercept: 0

Tags

CCSS.7.RP.A.2D

The two lines graphed on the coordinate grid each represent an equation: Which ordered pair represents a solution to both equations?

• (-4, 0)

• (-2, 1)

• (2, 0)

• (1, -2)

What is the equation of the line below? Equation (y=mx + b)

• y = -1/2x + 2

• y = x + 2

• y = -2x + 1

• y = 2x - 1

Tags

CCSS.7.RP.A.2D

Which situation could NOT represent a proportional relationship?

• The sprinklers watered the field at 8 gallons of water per minute.

• The weight in x weeks of a puppy that gains 2 pounds per week if its starting weight is 8 pounds.

• The cost of apples in $0.99 per pound

• Mike makes $10.00 per hour walking dogs in the neighborhood.

Tags

CCSS.7.RP.A.2A

Which set of ordered pairs does not represent y as a function of x?

• (2,5), (3,1), (-1,1), (4,7)

• (3,2), (4,3), (5,2), (2,6)

• (1,3), (3,5), (2,5), (-1,6)

• (-4,7), (4,6), (4,4), (5,1)