Quadratic Equations | QuizMaster

1. Which of the following is a quadratic equation?

A) x + 2 = 6 B) 3x² + 2x - 5 = 0 C) 2x + 3y = 12 D) x = 8

2. Solve: x² = 16

A) x = 4 B) x = -4 and x = 4 C) x = -4 D) x = 8

3. Find the product of the roots of x² - 5x + 6 = 0

A) 5 B) 6 C) -5 D) -6

4. What is the sum of the roots of x² - 7x + 12 = 0?

A) 7 B) 12 C) -7 D) 5

5. Solve x² - 4x - 12 = 0 by factoring.

A) x = 6, x = -2 B) x = 6, x = 2 C) x = -6, x = 2 D) x = -6, x = -2

6. The discriminant of ax² + bx + c = 0 is:

A) b - 4ac B) b² - 4ac C) b² + 4ac D) 4ac - b²

7. Solve: x² + 5x + 6 = 0

A) x = -2, x = -3 B) x = 2, x = 3 C) x = -2, x = 3 D) x = 1, x = 6

8. Which form is the vertex form of a quadratic equation?

A) ax² + bx + c B) a(x-h)² + k C) (ax + b)(cx + d) D) x² + y² = r²

9. If the discriminant is positive, the quadratic equation has:

A) One real root B) Two distinct real roots C) No real roots D) Infinite roots

10. Solve: 2x² - 8 = 0

A) x = 2 B) x = -2 C) x = 2 or x = -2 D) x = 4

Quadratic Equations Quiz