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Completing the square with fractions Quiz: printable

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Completing the square with fractions Quiz

Name: ______________________   Date: __________   Score: ____ / 10

10 questions. Calculator allowed. Show your working. steplyclass.com/algebra-1/completing-the-square-with-fractions/quiz/

  1. 1

    Solve x2 + 3x = 10 by completing the square
    1. A) x = โˆ’2 or x = โˆ’5
    2. B) x = โˆ’2 or x = 5
    3. C) x = 2
    4. D) x = 2 or x = โˆ’5
  2. 2

    Solve x2 โˆ’ 3x = 4 by completing the square

    Answer: ____________________

  3. 3

    Solve x2 โˆ’ 5x = 14 by completing the square
    1. A) x = 7
    2. B) x = โˆ’7 or x = โˆ’2
    3. C) x = 7 or x = โˆ’2
    4. D) x = โˆ’7 or x = 2
  4. 4

    Solve x2 โˆ’ 9x = โˆ’18 by completing the square

    Answer: ____________________

  5. 5

    Solve x2 + 3x โˆ’ 4 = 0 by completing the square
    1. A) x = โˆ’1 or x = โˆ’4
    2. B) x = 1 or x = โˆ’4
    3. C) x = โˆ’1 or x = 4
    4. D) x = 1
  6. 6

    Solve x2 + 3x โˆ’ 5 = 0 by completing the square

    Answer: ____________________

  7. 7

    Solve x2 + x โˆ’ 1 = 0 by completing the square

    Answer: ____________________

  8. 8

    Solve 2x2 + 6x โˆ’ 8 = 0 by completing the square

    Answer: ____________________

  9. 9

    Solve 2x2 + 3x โˆ’ 2 = 0 by completing the square
    1. A) x = 12
    2. B) x = 12 or x = โˆ’2
    3. C) x = โˆ’12 or x = 2
    4. D) x = โˆ’12 or x = โˆ’2
  10. 10

    Solve 2x2 โˆ’ 5x + 3 = 0 by completing the square

    Answer: ____________________

Answer key

  1. D x = 2 or x = โˆ’5
  2. x = 4 or x = โˆ’1
  3. C x = 7 or x = โˆ’2
  4. x = 6 or x = 3
  5. B x = 1 or x = โˆ’4
  6. x = โˆ’32 + โˆš292 or x = โˆ’32 โˆ’ โˆš292
  7. x = โˆ’12 + โˆš52 or x = โˆ’12 โˆ’ โˆš52
  8. x = 1 or x = โˆ’4
  9. B x = 12 or x = โˆ’2
  10. x = 32 or x = 1

Every answer solved step by step: steplyclass.com/algebra-1/completing-the-square-with-fractions/quiz/answers/