9-2 Solving Quadratics w/ the Quadratic Formula

9-2 Solving Quadratics w/ the Quadratic Formula

9th Grade

8 Qs

quiz-placeholder

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9-2 Solving Quadratics w/ the Quadratic Formula

9-2 Solving Quadratics w/ the Quadratic Formula

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Meaghan Lewis

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Determine the values of a, b, and c for the quadratic equation:

4x2 – 8x = 3

a = 4, b = -8, c = 3

a = 4, b =-8, c =-3

a = 4, b = 8, c = 3

a = 4, b = 8, c = -3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve by applying the quadratic formula 2x2 + 7x - 15 = 0

x = -1.5 and x = 5

No Solution

x = -5 and x = 1.5

x = 0.7 and x = 5

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Use the quadratic formula to find the solutions for

y = -x2 - 5x + 12

x = -4.9 and x = -0.1

x = -8.54 and x = 8.54

x = -0.45 and x = 3.55

x = -6.77 and x = 1.77

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve using the Quadratic Formula:

x2 + 4x + 3 = 0

x = 1 and x = 3

x = 6 and x = -2

x = -1 and x = -3

x = -6 and x = -2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve using the quadratic formula.

2x2 - 9x - 35 = 0

x = 7/2 and x = -6

x = -5/2 and x =5

x = -3/7 and x =6

x = -5/2 and x = 7

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Use the quadratic formula to solve: n2 = 9n - 20

n = 4 and n = -5

n = -4 and n = 5

n = -4 and n = -5

n = 4 and n = 5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the quadratic formula to solve 2n2-4n = 30

x = -3 and x = 5

x = -5 and x = 3

x = -1.18 and x = 3.18

x = -3.83 and x = 7.83

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Use the quadratic formula to solve -8k2-k+2=0

x = -0.57 and x = 0.44

x = -0.61 and x = 0.47

x = -4 and x = 4

x = -2 and x = 2