GRADE 9 MATH QUIZ BEE

1. Which of the following is a quadratic equation?

• 4x – 12

• 3x² - 9 = 0

• x⁵ = 4x – 1

• 2x³ = 3x

2. The highest degree of the equation 4x = 3x² + 8 is?

• 2

• 4

• 3

• 8

3. What is the value of a in 2x(x – 3) + 7 = 0?

• 2

• 1

• 3

• 7

4. What are the roots of x² = 25?

• ±3

• ±2

• ±5

• ±4

5. If (x – 4) is a factor of x² - 5x + 4 = 0, what is the other factor?

• x + 2

• x - 4

• x + 1

• x - 1

6. What is the missing term of x² + 8x to make it a perfect square trinomial?

• 4

• 16

• 9

• 25

7. In the given 6x² = 10 + 11x, what is the value of b?

• -11

• 6

• -10

• 11

8. The graph of a quadratic function is called _____.

• straight line

• circle

• parabola

• ellipse

9. The vertex of a quadratic function is

• (x,y)

• (a,b)

• x = h

• (h,k)

10. If the parabola opens upward the point/vertex is at

• maximum

• minimum

• low

• high