2-7 Quiz Review

What makes a graphed relationship proportional?

• It is linear

• The line is only in quadrant 1

• It is a curvy line

• It is linear and the line goes through the origin

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/2 hours

• 1 mile/1 hour

Tags

CCSS.7.RP.A.2D

Find the Unit Rate.
72 ounces for 12 servings    

• 7 ounces per serving
• 144 ounces for 24 servings
• 6 ounces per serving
• 36 ounces for 6 servings

The graph above shows the price of games in dollars.  Is the graph proportional and how do you know?

• The graph is proportional  because it is linear.
• The graph is proportional because it is linear and passes through the origin.
• The graph is not proportional because it does not pass through the origin.
• The graph is not proportional because it is not linear and it does not pass through the origin.

What is the equation of the line shown on the graph?

• y = 96x + 1

• y = 45x

• y = 47x

• y = 94x + 5

Tags

CCSS.8.EE.B.5

Which of the following rates of change represents the graph shown?

• 2 boys for every 1 girl
• 0.5 boys for every 1 girl
• 6 boys for every 1 girl
• 3 boys for every 1 girl

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Write an equation for this situation.

• y = 9.75x

• y = 19.25x + 10

• y = 19.25x

• y = -19.25x

Which of the equations below is proportional?

• y = 6x

• y = 3x + 2

• y = 2x + 4

• y = -2x -1

After 3 hours, Ernie had travelled 195 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?

• 400 miles

• 325 miles

• 575 miles

• 650 miles

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2