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Quadratic equations Quiz: printable

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Quadratic equations Quiz

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10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/quadratic-equations/quiz/

  1. 1

    Solve x2 = 25
    1. A) x = 5 or x = −5
    2. B) x = 5
    3. C) x = −5 or x = −5
    4. D) x = −5

  2. 2

    Solve 2x2 − 8 = 0

    Answer: ____________________

  3. 3

    Solve (x − 2)2 = 9
    1. A) x = −5 or x = 1
    2. B) x = 5
    3. C) x = 5 or x = −1
    4. D) x = −5 or x = −1

  4. 4

    Solve x2 − 7x + 10 = 0

    Answer: ____________________

  5. 5

    Solve x2 + 6x = 7
    1. A) x = 1
    2. B) x = −1 or x = −7
    3. C) x = 1 or x = −7
    4. D) x = −1 or x = 7

  6. 6

    Solve x2 + 2x = 15

    Answer: ____________________

  7. 7

    Solve 3x2 − 12 = 0
    1. A) x = −2 or x = −2
    2. B) x = −2
    3. C) x = 2 or x = −2
    4. D) x = 2

  8. 8

    Solve x2 + 4x − 1 = 0

    Answer: ____________________

  9. 9

    Solve x2 + 1 = 0

    Answer: ____________________

  10. 10

    Solve x2 − 2x − 4 = 0

    Answer: ____________________

Answer key

  1. A x = 5 or x = −5
  2. x = 2 or x = −2
  3. C x = 5 or x = −1
  4. x = 2 or x = 5
  5. C x = 1 or x = −7
  6. x = 3 or x = −5
  7. C x = 2 or x = −2
  8. x ≈ 0.24 or x ≈ −4.24
  9. −1 no real solution
  10. x ≈ 3.24 or x ≈ −1.24

Every answer solved step by step: steplyclass.com/algebra-1/quadratic-equations/quiz/answers/