quadratic formula

quadratic formula

9th Grade

7 Qs

quiz-placeholder

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quadratic formula

quadratic formula

Assessment

Quiz

Mathematics

9th Grade

Hard

Created by

Matthew Edwards

Used 2+ times

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7 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 Using the Quadratic Formula
 x2 + 4x - 40 = -8

-10 & -4
-4 & 10
-8 & 4
8 & -4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve using the quadratic formula.
2x2 - 9x - 35 = 0

x = 7/2, x = -6
x = -5/2, x =5
x = -3/7, x =6
x = -5/2, x = 7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Identify a, b, and c in: x2−6x+14

3,5,9
1,-6,14
1,-6,-14
1,6,14

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Use the quadratic formula to solve 2x2 + 2x - 12?

-2, 3
2, 3
2, -3
-2, -3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve    
2x2 + 7x - 15 = 0

-1.5 or 5
No Solution
-5 or 1.5
0.7 or 5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

find x for
2x2-8x-24=0

x= 6, -2
x= 2, -6
x= 4, 2
x= 2, 6