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Find c Quiz: printable

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Find c Quiz

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10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/find-c/quiz/

  1. 1

    x2 + 6x + c = 0 has exactly one solution. Find c.
    1. A) c = 9
    2. B) c = 36
    3. C) c = 0
    4. D) c = 3
  2. 2

    x2 − 10x + c = 0 has exactly one solution. Find c.

    Answer: ____________________

  3. 3

    x2 − 8x + c = 0 has exactly one real solution. Find c.
    1. A) c = 1
    2. B) c = 64
    3. C) c = 0
    4. D) c = 16
  4. 4

    x2 + kx + 9 = 0 has exactly one solution. Find k.

    Answer: ____________________

  5. 5

    2x2 − 8x + c = 0 has exactly one solution. Find c.
    1. A) c = −8
    2. B) c = 8
    3. C) c = 0
    4. D) c = 64
  6. 6

    x2 + 5x + c = 0 has exactly one solution. Find c.

    Answer: ____________________

  7. 7

    x2 − 6x + c = 0 has two real solutions. Find c.
    1. A) c < 36
    2. B) c < 9
    3. C) c < −36
    4. D) c < 0
  8. 8

    x2 + kx + 16 = 0 has exactly one solution. Find k.

    Answer: ____________________

  9. 9

    −x2 + 6x + c = 0 has exactly one solution. Find c.
    1. A) c = 0
    2. B) c = −9
    3. C) c = 36
    4. D) c = −36
  10. 10

    x2 + 10x + c = 0 has no real solutions. Find c.

    Answer: ____________________

Answer key

  1. A c = 9
  2. c = 25
  3. D c = 16
  4. k = 6 or k = −6
  5. B c = 8
  6. c = 254
  7. B c < 9
  8. k = 8 or k = −8
  9. B c = −9
  10. c > 25

Every answer solved step by step: steplyclass.com/algebra-1/find-c/quiz/answers/