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Interpret rate of change and initial value in context

8th grade (Year 9 in England) · 16 questions · Common Core: 8.F.B.4 · England: KS3 Algebra, GCSE Foundation Algebra

Name

Date

Score/ 16

  1. Question 1

    A water tank holds 58 litres and drains at 2 litres per minute. Write the amount left after t minutes and find how much is left after 10 minutes.

    Answer

  2. Question 2

    The cost of a pottery class is C = 7h + 16, where h is hours. What does 16 represent?

    • A. The number of hours
    • B. The cost per hour
    • C. A fixed fee paid even for 0 hours
    • D. The total cost for 16 hours

  3. Question 3

    A savings jar has 26 coins and 10 coins are added each week. In y = mx + b, what is b?

    Answer

  4. Question 4

    A water tank holds 57 litres and drains at 3 litres per minute. Write the amount left after t minutes and find how much is left after 17 minutes.

    Answer

  5. Question 5

    The cost of a pottery class is C = 8h + 23, where h is hours. What does 23 represent?

    • A. The total cost for 23 hours
    • B. The number of hours
    • C. A fixed fee paid even for 0 hours
    • D. The cost per hour

  6. Question 6

    A bamboo shoot is 6 cm tall and grows 13 cm per day. In y = mx + b, what is m?

    Answer

  7. Question 7

    A water tank holds 44 litres and drains at 2 litres per minute. Write the amount left after t minutes and find how much is left after 10 minutes.

    Answer

  8. Question 8

    The cost of a pottery class is C = 7h + 24, where h is hours. What does 24 represent?

    • A. A fixed fee paid even for 0 hours
    • B. The total cost for 24 hours
    • C. The number of hours
    • D. The cost per hour

  9. Question 9

    A savings jar has 7 coins and 4 coins are added each week. In y = mx + b, what is b?

    Answer

  10. Question 10

    A water tank holds 53 litres and drains at 8 litres per minute. Write the amount left after t minutes and find how much is left after 5 minutes.

    Answer

  11. Question 11

    The cost of a pottery class is C = 5h + 26, where h is hours. What does 26 represent?

    • A. The total cost for 26 hours
    • B. A fixed fee paid even for 0 hours
    • C. The cost per hour
    • D. The number of hours

  12. Question 12

    A video has 37 likes and gains 9 likes per minute. In y = mx + b, what is b?

    Answer

  13. Question 13

    A water tank holds 92 litres and drains at 2 litres per minute. Write the amount left after t minutes and find how much is left after 31 minutes.

    Answer

  14. Question 14

    The cost of a pottery class is C = 2h + 27, where h is hours. What does 27 represent?

    • A. The total cost for 27 hours
    • B. The cost per hour
    • C. The number of hours
    • D. A fixed fee paid even for 0 hours

  15. Question 15

    A video has 17 likes and gains 14 likes per minute. In y = mx + b, what is b?

    Answer

  16. Question 16

    A water tank holds 68 litres and drains at 7 litres per minute. Write the amount left after t minutes and find how much is left after 8 minutes.

    Answer

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  1. 38
  2. A fixed fee paid even for 0 hours
  3. 26
  4. 6
  5. A fixed fee paid even for 0 hours
  6. 13
  7. 24
  8. A fixed fee paid even for 0 hours
  9. 7
  10. 13
  11. A fixed fee paid even for 0 hours
  12. 37
  13. 30
  14. A fixed fee paid even for 0 hours
  15. 17
  16. 12