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Quadratic Problem Solving

Authored by Alexis Bowie

Mathematics

2nd Grade

CCSS covered

Used 3+ times

Quadratic Problem Solving
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the quadratic equation x^2 + 5x + 6 = 0 by factoring.

x = 2, -3

x = -2, 3

x = 2, 3

x = -2, -3

Tags

CCSS.HSA-REI.B.4B

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the solutions of the quadratic equation 2x^2 - 7x - 3 = 0 using square roots.

(7 + √73) / 4 and (7 - √73) / 4

(7 - √73) / 4 and (7 - √73) / 4

(7 + √73) / 4 and (7 + √73) / 4

(7 + √73) / 4 and (7 - √73) / 4

Tags

CCSS.HSA-REI.B.4B

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorize the quadratic expression x^2 - 9.

(x - 3)(x + 3)

(x - 5)(x + 5)

(x - 4)(x + 4)

(x - 2)(x + 2)

Tags

CCSS.HSA.APR.C.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What are the roots of the quadratic equation 3x^2 + 4x - 2 = 0?

x = (-4 + 2√10) / 6 and x = (-4 - 2√10) / 6

x = (-4 + √10) / 6 and x = (-4 - √10) / 6

x = (-4 + 2√2) / 6 and x = (-4 - 2√2) / 6

x = (-4 + √2) / 6 and x = (-4 - √2) / 6

Tags

CCSS.HSA-REI.B.4B

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the quadratic equation 2x^2 + 9x + 5 = 0 by factoring.

x = -2, -1/5

x = 1/2, -5

x = -5/2, -1

x = 5/2, 1

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Find the solutions of the quadratic equation x^2 - 16 = 0 using square roots.

x = 6 or x = -6

x = 8 or x = -8

x = 4 or x = -4

x = 2 or x = -2

Tags

CCSS.HSA-REI.B.4B

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factorize the quadratic expression 4x^2 - 25.

(2x + 5)(2x + 5)

(2x - 5)(2x + 5)

(4x + 5)(x - 5)

(2x + 5)(2x - 5)

Tags

CCSS.HSA.APR.C.4

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