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Tell linear from nonlinear functions

8th grade (Year 9 in England) · 16 questions · Common Core: 8.F.A.3 · England: KS3 Algebra

Name

Date

Score/ 16

1
Question 1
x: 0, 1, 2, 3, 4. y: −5, −6, −7, −8, −9. Is the function linear?
- A. Linear
- B. Nonlinear
2
Question 2
Which equation is NOT linear?
- A. y = x/2 + 1
- B. y = 3x − 2
- C. 2x + y = 5
- D. y = 3ˣ
3
Question 3
x: 0, 1, 2, 3, 4. y: 0, 1, 4, 9, 16. Is the function linear?
- A. Linear
- B. Nonlinear
4
Question 4
Which equation is NOT linear?
- A. y = 7 − x
- B. y = x/2 + 1
- C. 2x + y = 5
- D. y = x² + 1
5
Question 5
x: 0, 1, 2, 3, 4. y: 5, 6, 7, 8, 9. Is the function linear?
- A. Linear
- B. Nonlinear
6
Question 6
Which equation is NOT linear?
- A. 2x + y = 5
- B. y = 7 − x
- C. y = 3x − 2
- D. y = 2/x
7
Question 7
x: 0, 1, 2, 3, 4. y: 1, 5, 9, 13, 17. Is the function linear?
- A. Linear
- B. Nonlinear
8
Question 8
Which equation is NOT linear?
- A. y = 7 − x
- B. y = 3ˣ
- C. y = x/2 + 1
- D. y = 3x − 2
9
Question 9
x: 0, 1, 2, 3, 4. y: −3, −2, 1, 6, 13. Is the function linear?
- A. Linear
- B. Nonlinear
10
Question 10
Which equation is NOT linear?
- A. 2x + y = 5
- B. y = 3ˣ
- C. y = 3x − 2
- D. y = 7 − x
11
Question 11
x: 0, 1, 2, 3, 4. y: 5, 6, 9, 14, 21. Is the function linear?
- A. Linear
- B. Nonlinear
12
Question 12
Which equation is NOT linear?
- A. y = 3ˣ
- B. y = x/2 + 1
- C. y = 7 − x
- D. y = 3x − 2
13
Question 13
x: 0, 1, 2, 3, 4. y: 2, 3, 6, 11, 18. Is the function linear?
- A. Linear
- B. Nonlinear
14
Question 14
Which equation is NOT linear?
- A. y = 3ˣ
- B. y = 3x − 2
- C. 2x + y = 5
- D. y = x/2 + 1
15
Question 15
x: 0, 1, 2, 3, 4. y: 1, −4, −9, −14, −19. Is the function linear?
- A. Linear
- B. Nonlinear
16
Question 16
Which equation is NOT linear?
- A. y = 7 − x
- B. y = 3x − 2
- C. y = x² + 1
- D. 2x + y = 5

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