GRADE 9 MATH QUIZ BEE

1. Which of the following are factors of x² - 6x + 8 ?

• 1 , 8

• 4 , 2

• -4 , -2

• -1 , -8

Tags

CCSS.HSA.APR.B.3

2. Which of the following is the standard form of a Quadratic Equation?

• (x+2) + (x+3) = 0

• 2x = 3x² +5

• 2x² + 3x + 5 = 0

• -3x² = 10

3. In completing the square, what is the value of “c” in the equation x²+16x +__ ?

• 49

• 16

• 64

• 8

Tags

CCSS.HSA-REI.B.4B

4. What is the value of “b” in the equation x² - 9 = 0 ?

• 1

• 0

• -9

• -1

Tags

CCSS.HSA-REI.B.4B

5. Which of the following is NOT a quadratic equation?

• 7 + 3d – d ² = 0

• ( d – 5 )( d + 6 ) = 0

• 16 = ( d – 5 )²

• 2( d – 10 ) = 4d

Tags

CCSS.HSA-REI.B.4B

6. How many real roots does the quadratic equation x² + 25 = 0 have?

• 0

• 1

• 2

• 3

Tags

CCSS.HSA-REI.B.4B

7. If the discriminant is equal to 121, then the nature of the roots is ?

• imaginary

• irrational and unequal

• rational and unequal

• real and equal

Tags

CCSS.HSA-REI.B.4B

8. Which of the following is NOT a method in solving a quadratic equation?

• Factoring

• Quadratic Formula

• Completing the Square

• Discriminant

Tags

CCSS.HSA-REI.B.4B

9. What do you call the graph of quadratic function?

• Line

• Parabola

• Ellipse

• Circle

Tags

CCSS.HSF-IF.C.7A

10. What is the sum of the roots of the quadratic equation 2𝑥² + 12𝑥 − 5 = 0 ?

• - 4

• - 5

• - 6

• - 12

Tags

CCSS.HSA-REI.B.4B