Review: Equations and Inequalities

It took a sled dog team 8.5 hours to travel 161.5 kilometers. What was the average speed of the sled dog team in kilometers per hour?

• 19
• 20
• 21
• 153

Tags

CCSS.8.EE.C.7B

Which of the following equations represents the total cost, C, for the number of sandwiches, S, where each sandwich costs $7?

• S = 7c
• C = 7s
• S = 7/c
• C = s/7

Tags

CCSS.7.RP.A.2C

At what rate did the rain fall?

• 2 cm per hour
• ¹/₄ cm per hour
• ¹/₂ cm per hour
• 4 cm per hour

Tags

CCSS.7.RP.A.2D

Jimmy was going on vacation. His parents drove the first day and went 390 miles in 6 hours. The next day they drove for 8 hours and went 520 miles. What was their constant rate of speed?

• y=65x
• y=60x
• y=40x
• y=25x

Tags

CCSS.HSF-LE.A.1B

Determine the Constant Rate of Change?

• -10 ft per second
• 15 ft per second
• 10 ft per second 
• -15 ft per second

Tags

CCSS.7.RP.A.2D

Find the rate of change

• 1
• 2
• 11
• Not a constant slope/Non-Linear

Tags

CCSS.HSF-LE.A.1B

Write an equation for this situation.

• y=9.75x
• y=19x
• y=19.25x
• y=9.5x

Tags

CCSS.6.EE.C.9

• y = 60x
• y = 40x
• y = 80x
• y = 20x

Tags

CCSS.8.EE.B.5

The table shows the cost of long distance calls as a function of the number of minutes used. Is there a constant rate of change? Explain and interpret its meaning.

• Yes, 10 calls per minute
• Yes, $.10 per minute
• Yes, $.40 per minute
• Not a constant rate

Tags

CCSS.7.RP.A.2D

What is the solution to 
-3x+2< 8

• x > -3
• x > -2
• x < -2
• x < -3

Tags

CCSS.7.EE.B.4B