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11th Grade Factoring and Solving Quadratics Worksheet — Level 2 — Practice Set 4 — Answers

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Success TutoringWorksheetsAnswer sheet11th Grade · Mathematics · Quadratics

11th Grade Factoring and Solving Quadratics Worksheet — Level 2 — Practice Set 4 — Answers

Factor, then use the zero product property.

1.Solve: x2 + x − 6 = 0

Answer: x = −3 or x = 2

  1. Factor: (x + 3)(x − 2) = 0
  2. Zero product property: x + 3 = 0 or x − 2 = 0
  3. x = −3 or x = 2
2.Solve: x2 + 8x + 7 = 0

Answer: x = −1 or x = −7

  1. Factor: (x + 1)(x + 7) = 0
  2. Zero product property: x + 1 = 0 or x + 7 = 0
  3. x = −1 or x = −7
3.Solve: x2 + 5x + 4 = 0

Answer: x = −4 or x = −1

  1. Factor: (x + 4)(x + 1) = 0
  2. Zero product property: x + 4 = 0 or x + 1 = 0
  3. x = −4 or x = −1
4.Solve: x2 + x − 20 = 0

Answer: x = −5 or x = 4

  1. Factor: (x + 5)(x − 4) = 0
  2. Zero product property: x + 5 = 0 or x − 4 = 0
  3. x = −5 or x = 4
5.Solve: x2 − 4 = 0

Answer: x = −2 or x = 2

  1. Factor: (x + 2)(x − 2) = 0
  2. Zero product property: x + 2 = 0 or x − 2 = 0
  3. x = −2 or x = 2
6.Solve: x2 − 8x − 9 = 0

Answer: x = −1 or x = 9

  1. Factor: (x + 1)(x − 9) = 0
  2. Zero product property: x + 1 = 0 or x − 9 = 0
  3. x = −1 or x = 9
7.Solve: x2 + 2x − 63 = 0

Answer: x = 7 or x = −9

  1. Factor: (x − 7)(x + 9) = 0
  2. Zero product property: x − 7 = 0 or x + 9 = 0
  3. x = 7 or x = −9
8.Solve: x2 + 2x − 35 = 0

Answer: x = 5 or x = −7

  1. Factor: (x − 5)(x + 7) = 0
  2. Zero product property: x − 5 = 0 or x + 7 = 0
  3. x = 5 or x = −7
9.Solve: x2 − 3x − 40 = 0

Answer: x = 8 or x = −5

  1. Factor: (x − 8)(x + 5) = 0
  2. Zero product property: x − 8 = 0 or x + 5 = 0
  3. x = 8 or x = −5
10.Solve: x2 − 2x − 15 = 0

Answer: x = 5 or x = −3

  1. Factor: (x − 5)(x + 3) = 0
  2. Zero product property: x − 5 = 0 or x + 3 = 0
  3. x = 5 or x = −3
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