Block 3 Assesment

Jin and Tariq are taking an indoor cycling class. Jin burned 42 calories in a warm-up and burns 7 calories per minute in the cycling class. The number of calories Tariq burns is shown in the table. Complete the sentence: After _ minutes of cycling class, Tariq starts to burn more calories than Jin.

• 6

• 10

• 15

• 4

Ana is deciding which gym to join. Joe’s Gym costs $35 per month, with a start-up fee of $50. The costs of Fit World Gym are shown in the table. Which statement is true?

• The cost of signing up and using Joe’s Gym for 2 months is $90.

• After 10 months, Ana will have spent more money at Joe’s Gym than at Fit World Gym.

• Fit World Gym charges a $45 start-up fee.

• The monthly fee at Fit World Gym is $45.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Ken and Erin both started saving money in health savings accounts at the same time. Ken opened his account with $500 and saves $100 per month. Erin opened her account with $300 and saves $150 per month. After 6 months, how much more money does Erin have in her account than Ken? 

• $100

• $200

• $400

• $600

Tags

CCSS.8.EE.B.5

Two patients at a hospital, Mark and Cassie, receive medicine through IV drips. Mark receives 3 milligrams (mg) per hour. The equation y = 2x + 5 models the amount of medicine Cassie receives in x hours. After how many hours will Mark and Cassie have received the same amount of medicine? 

• 2 hours

• 4 hours

• 5 hours

• 6 hours

Tags

CCSS.8.EE.C.8C

Solve for x.

3x + 3 = 2x + 1

• x = −3

• x = −2

• x = 1

• x = 3

Select all that apply. Wei and Tyra are biking on the same bike path. Wei bikes 9 miles per hour. Tyra bikes 7.5 miles per hour, but she starts 6 miles ahead of Wei. Which statements are true?

Wei: y = 9x

Tyra: y = 7.5x + 6

• (1, 9) is a solution to y = 9x.

• (2, 21) is a solution to y = 7.5x + 6

• (3, 27) is a solution to both y = 9x and y = 7.5x + 6.

• Wei catches up to Tyra after they have been biking for 4 hours.

Tags

CCSS.8.EE.C.8C

 Joe and Nicole are filling blood donation bags. Joe fills his bag at a rate of 50 milliliters (mL) per minute. Nicole fills her bag at a rate of 40 mL per minute. Nicole starts filling her bag 2 minutes before Joe starts filling his bag. How many minutes after Nicole starts filling her bag have Joe and Nicole filled the same amount?

• 5 minutes

• 10 minutes

• 12 minutes

• 18 minutes

Tags

CCSS.8.EE.C.8C

Solve for x.

5x - 4 = 3x + 6

• x = 5

• x = 4

• x = 3

• x = 15

 A medical team has two options to travel to a hospital that is 200 miles away. The team can take a van right away or wait for a helicopter ride. The distances traveled by the van and the helicopter are shown in the graph. Select from the numbers in the boxes to complete the sentences.

A. The helicopter leaves _ hours after the van.

2. B. The helicopter and van travel the same distance _ hours after the van leaves.

• 1. A. 3

  2. B. 5

• 1. A. 2

  2. B.6

• 1. A. 2

  2. B. 5

• A. 2

  B. 4

 What is the solution to the system of equations?

y = 4x + 7

y = −3x

The solution to the system of equations is ( , )

• (-1 , 3)

• (2 , 4)

• (-2 , 1)

• (1 , -3)

Tags

CCSS.8.EE.C.8B