Media4Math

Quadratic Formula Quiz

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1) Solve the following quadratic equation. x² + 2x + 1

a) x = 1
b) x = -1
c) x = 1, -1
d) no real roots

2) Solve the following quadratic equation. –x² + 2x + 1

a) x = 1 + √ 2 , 1 – √ 2
b) x = 1 + 2√ 2 , 1 – 2√ 2
c) x = 1 + 3√ 2 , 1 – 3 √ 2
d) no real roots

3) Solve the following quadratic equation.–2x² + 2x – 2

a) x = 2, -2
b) x = 1, -1
c) x = -1, 1
d) no real roots

4) Solve the following quadratic equation. 3x² + x – 2

a) x = 1, -2/3
b) x = 1, 2/3
c) x = –1, 2/3
d) no real roots

5) Solve the following quadratic equation. –x² – 2x – 4

a) x = -1, -4
b) x = -2, -4
c) x = 2, 4
d) no real roots

6) Solve the following quadratic equation. x² + 3x + 2

a) x = 1, -2
b) x = -1, 2
c) x = -1, -2
d) no real roots

7) Solve the following quadratic equation. 2x² + 4x + 5

a) x = 2, 4
b) x = 2, 5
c) x = -2, -5
d) no real roots

8) Solve the following quadratic equation. –2x² + 3x – 1

a) x = 1/2, 1
b) x = –1/2, 1
c) x = 1/2, –1
d) no real roots

9) Solve the following quadratic equation. x² – 2x – 2

a) x = 1 + √ 3 , 1 – √ 3
b) x = 1 + 2√ 3 , 1 – 2√ 3
c) x = 1 + 3√ 3 , 1 – 3√ 3
d) no real roots

10) Solve the following quadratic equation. 4x² + 5x – 6

a) x = –3/4, –2
b) x = –3/4, 2
c) x = 3/4, –2
d) no real roots

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