Find the rate of change from a table
8th grade (Year 9 in England) · 16 questions · Common Core: 8.F.B.4 · England: KS3 Algebra, GCSE Foundation Algebra
Name
Date
Score/ 16
Question 1
x: 0, 2, 4, 6. y: −1, 2, 5, 8. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
Question 2
A phone's battery charge (%) is measured while charging. After 1, 2, 4 and 5 ten-minute periods it reads 43, 46, 52, 55%. By how many percentage points does it rise per ten-minute period?
Answer
Question 3
x: −2, 0, 2, 4. y: −1, 5, 11, 17. What is the rate of change (slope)?
Answer
Question 4
x: 0, 4, 8, 12. y: −1, −4, −7, −10. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
Question 5
A phone's battery charge (%) is measured while charging. After 1, 2, 4 and 5 ten-minute periods it reads 53, 56, 62, 65%. By how many percentage points does it rise per ten-minute period?
Answer
Question 6
x: −2, −1, 0, 1. y: −8, −2, 4, 10. What is the rate of change (slope)?
Answer
Question 7
x: 0, 2, 4, 6. y: −1, 0, 1, 2. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
Question 8
A phone's battery charge (%) is measured while charging. After 1, 2, 4 and 5 ten-minute periods it reads 33, 36, 42, 45%. By how many percentage points does it rise per ten-minute period?
Answer
Question 9
x: 3, 6, 9, 12. y: 5, 20, 35, 50. What is the rate of change (slope)?
Answer
Question 10
x: 0, 3, 6, 9. y: 2, 4, 6, 8. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
Question 11
A phone's battery charge (%) is measured while charging. After 1, 2, 4 and 5 ten-minute periods it reads 43.6, 47.2, 54.4, 58%. By how many percentage points does it rise per ten-minute period?
Answer
Question 12
x: 0, 5, 10, 15. y: 7, 42, 77, 112. What is the rate of change (slope)?
Answer
Question 13
x: 0, 4, 8, 12. y: 2, −1, −4, −7. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
Question 14
A phone's battery charge (%) is measured while charging. After 1, 2, 4 and 5 ten-minute periods it reads 34, 38, 46, 50%. By how many percentage points does it rise per ten-minute period?
Answer
Question 15
x: 3, 6, 9, 12. y: 23, 44, 65, 86. What is the rate of change (slope)?
Answer
Question 16
x: 0, 2, 4, 6. y: −3, 2, 7, 12. Find the slope. Give a fraction in simplest form.
Answer(as a fraction)
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