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Quadratic Formula

Authored by Kyle Deterding

Mathematics

8th - 10th Grade

Used 20+ times

Quadratic Formula
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20 questions

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1.

MULTIPLE CHOICE QUESTION

3 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

3 mins • 1 pt

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What is this formula?

This is the standard formula.

This is the quadratic formula.

This is the square root formula.

This is the Pythagorean formula

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

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

-2, 3

2, 3

2, -3

-2, -3

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Use the quadratic formula to find the solutions for

y = -x2 - 5x + 12

No Real Solution

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5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What should you do first in solving this equation?

x2 + 6x - 13 = 3

Factor

Write down: a = 1, b = 6, c = -13

Subtract 3 from both sides.

Add 3 to both sides.

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve using the quadratic formula...

9x2 = 4 + 7x

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No solution

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve using the quadratic formula:

4x2 + 4x + 1 = 0

x = -½

x = -2

x = 0

x = ½

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