End of Unit 2 Review

True or False: This graph represents a proportional relationship

• True

• False

What makes a graph proportional?

• Straight Line
• The line goes through (0,0)
• Curvy line
• Straight line and passes through (0,0)

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1

The graph represents the gas mileage for two different cars. Which car gets more miles per gallon?

• Car A because it gets 40 miles per gallon

• Car B because it gets 30 miles per gallon

• Car A because it gets 0.025 miles per gallon

• Car B because it gets 0.03 miles per gallon

Erison walked at a constant speed. He walked 1 mile in 15 minutes. What equation represents the time (t) it took him to walk a distance of d miles?

• d=15t

• t=1/15d

• d=t-15

• t=15d

The graph represents the amount of time (x) it has been raining, and the amount of rain (y) that had fallen. Which statements are true? Check all that apply.

• In 1 hour it rains 0.25 inches

• In 5 hours it rains 1 inch

• In 6 hours it rains 1.5 inches

• In 3 hours it rains 12 inches