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Math Models - Solve Quadratics by Factoring

Authored by Lori Ollmann

9th - 12th Grade

CCSS covered

Used 5+ times

Math Models - Solve Quadratics by Factoring
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16 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the first step in solving (x + 2)(x - 3) = 0 ?

Plug in zero for x

Solve for x

FOIL

Set each binomial factor equal to zero

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Which equation matches these solutions? x = 5 and x = -7

(x+5)(x-7) = 0

(x-5)(x+7) = 0

(x+5)(x+7) = 0

(x-5)(x-7) = 0

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Factor the quadratic then find the zeros 2x2 + 2x - 12?

(-2, 0) and (3, 0)

(2, 0) and (3,0)

(2, 0) and (-3,0)

(0, 2) and (0, -3)

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Factor and find the roots of this quadratic.

b=4/5, b=3

b=4, b=-3

b=1/5, b=3

b=4/5, b=-3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the factors AND solutions of x2 + 2x – 3 = 0

(x - 2)(x + 1); x=2, x=-1
(x + 1)(x - 3); x=-1, x=3
(x + 2)(x - 1); x=-2, x=1
(x - 1)(x + 3); x=1, x=-3

Tags

CCSS.HSA-REI.B.4B

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Solve by factoring:

x2 - 9x = 0

x = 9

x = 0 or x = 9

x = -9 or x = 0

x = -9

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve
6x2 + 17x + 12 = 0

x = -4/3, x = -3/2
x = 9, x = 8
x = 4, x = 3
x = -4, x = -3

Tags

CCSS.HSA-REI.B.4B

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