Finding Rate of Change/Slope

A climber is scaling a rock face. Two hours after starting his climb, he is at an altitude of 400 feet. After six hours, he is at an altitude of 700 feet. What is his average rate of change?

• 200 ft/hr

• 150 ft/hr

• 300 ft/hr

• 75 ft/hr

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

A balloon was 10 feet off the ground when it was the child who was holding it let it go. 5 seconds after that, the balloon was 20 feet off the ground. What was the balloon's rate of ascent?

• 10 feet per second

• 5 feet per second

• 2 feet per second

• 6 feet per second

Tags

CCSS.HSF-LE.A.1B

Craig earns extra money working as a lifeguard. He earned $37 after working for 4 hours and $64.75 after working for 7 hours. What was Craig's wage?

• $37/hr

• $64.75/hr

• $9.25/hr

• $18.50/hr

Tags

CCSS.6.RP.A.3B

A scuba diver is 30 feet below the surface 10 seconds after she entered the water, and 100 feet below the surface after 40 seconds. What is this scuba diver's rate of descent? Round to the nearest hundredth.

• 2.33 ft/sec

• 0.45 ft/sec

• 2.50 ft/sec

• 3.14 ft/sec

Tags

CCSS.HSF-LE.A.1B

A rocket is one mile above the earth 30 seconds after launch and five miles above the earth 2.5 minutes after launch. What is the rocket's rate of change in miles per second?

• 0.03 mi/sec

• 1.80 mi/sec

• 0.23 mi/sec

• 0.15 mi/s

Find the slope:

• 2
• -2
• 1/2
• -1/2

Tags

CCSS.8.EE.B.5

Find the slope:

• 3/4
• 4/3
• -3/4
• -4/3

Tags

CCSS.8.EE.B.5

Find the slope of the line.

• 1/4
• -1/4
• -4/1
• 4/1

Tags

CCSS.8.EE.B.5

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

Tags

CCSS.8.EE.B.5

What is the slope in the picture?

• Positive
• Negative
• Zero
• Undefined

Tags

CCSS.8.EE.B.5