Solving Quadratic Equations by Completing the Square
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Solving Quadratic Equations by Completing the Square

Created by
@SpellboundEllipsis

Questions and Answers

What are the solutions for the equation $x^2 - 10x - 96 = 0$ by completing the square?

  • x = 16 (correct)
  • x = -6 (correct)
  • x = -5
  • x = 3
  • What are the solutions for the equation $x^2 + 2x - 15 = 0$ by completing the square?

  • x = 17
  • x = -12
  • x = -5 (correct)
  • x = 3 (correct)
  • What are the solutions for the equation $x^2 + 16x + 48 = 0$ by completing the square?

  • x = -12 (correct)
  • x = 6
  • x = -4 (correct)
  • x = -8
  • What are the solutions for the equation $x^2 - 12x - 85 = 0$ by completing the square?

    <p>x = -5</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 16x - 8 = 0$ by completing the square?

    <p>x = -8 - 6√2</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 20x - 12 = 0$ by completing the square?

    <p>x = -10 - 4√7</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 10x - 89 = 0$ by completing the square?

    <p>x = -5 + √114</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 12x + 24 = 0$ by completing the square?

    <p>x = -6 - 2√3</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 4x - 81 = 3$ by completing the square?

    <p>x = -2 + 2√22</p> Signup and view all the answers

    What are the solutions for the equation $x^2 + 16x - 53 = 9$ by completing the square?

    <p>x = -8 - 3√14</p> Signup and view all the answers

    Study Notes

    Solving Quadratic Equations by Completing the Square

    • Quadratic equations can be solved by manipulating the equation to form a perfect square trinomial.

    Card 1

    • Solutions: x = 16 and x = -6.
    • Equation: x² − 10x − 96 = 0.

    Card 2

    • Solutions: x = 3 and x = -5.
    • Equation: x² + 2x − 15 = 0.

    Card 3

    • Solutions: x = -4 and x = -12.
    • Equation: x² + 16x + 48 = 0.

    Card 4

    • Solutions: x = 17 and x = -5.
    • Equation: x² − 12x − 85 = 0.

    Card 5

    • Solutions: x = -8 + 6√2 and x = -8 - 6√2.
    • Equation: x² + 16x − 8 = 0.

    Card 6

    • Solutions: x = -10 + 4√7 and x = -10 - 4√7.
    • Equation: x² + 20x − 12 = 0.

    Card 7

    • Solutions: x = -5 + √114 and x = -5 - √114.
    • Equation: x² + 10x − 89 = 0.

    Card 8

    • Solutions: x = -6 - 2√3 and x = -6 + 2√3.
    • Equation: x² + 12x + 24 = 0.

    Card 9

    • Solutions: x = -2 + 2√22 and x = -2 - 2√22.
    • Equation: x² + 4x − 81 = 3.

    Card 10

    • Solutions: x = -8 + 3√14 and x = -8 - 3√14.
    • Equation: x² + 16x − 53 = 9.

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    Description

    This quiz focuses on solving quadratic equations by completing the square. Test your skills with various equations and find their solutions. Each question presents a quadratic equation to manipulate and solve for x.

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