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Find the inverse of a linear function

10th grade (Year 11 in England) · 16 questions · Common Core: HSF.BF.B.4.A · England: GCSE Higher Algebra

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  1. Question 1

    f(x) = (3x − 1)/2. Find f⁻¹(x).

    Answer

  2. Question 2

    f(x) = −x − 1. Find f⁻¹(x).

    Answer

  3. Question 3

    f(x) = −6x − 2. Find f⁻¹(−44).

    Answer

  4. Question 4

    f(x) = (3x − 6)/5. Find f⁻¹(x).

    Answer

  5. Question 5

    f(x) = 2x + 5. Find f⁻¹(x).

    Answer

  6. Question 6

    f(x) = −x + 7. Find f⁻¹(10).

    Answer

  7. Question 7

    f(x) = (5x − 2)/3. Find f⁻¹(x).

    Answer

  8. Question 8

    f(x) = −6x + 9. Find f⁻¹(x).

    Answer

  9. Question 9

    f(x) = 3x − 2. Find f⁻¹(−14).

    Answer

  10. Question 10

    f(x) = (6x + 3)/2. Find f⁻¹(x).

    Answer

  11. Question 11

    f(x) = −5x − 5. Find f⁻¹(x).

    Answer

  12. Question 12

    f(x) = 4x − 7. Find f⁻¹(17).

    Answer

  13. Question 13

    f(x) = (3x − 2)/5. Find f⁻¹(x).

    Answer

  14. Question 14

    f(x) = −x + 3. Find f⁻¹(x).

    Answer

  15. Question 15

    f(x) = −6x − 5. Find f⁻¹(13).

    Answer

  16. Question 16

    f(x) = (6x + 2)/2. Find f⁻¹(x).

    Answer

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  1. (2x+1)/3
  2. (x+1)/(-1)
  3. 7
  4. (5x+6)/3
  5. (x-5)/2
  6. -3
  7. (3x+2)/5
  8. (x-9)/(-6)
  9. -4
  10. (2x-3)/6
  11. (x+5)/(-5)
  12. 6
  13. (5x+2)/3
  14. (x-3)/(-1)
  15. -3
  16. (2x-2)/6