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Units 7 & 8 Review

Authored by Gerald Cox

Mathematics

9th - 12th Grade

Used 2+ times

Units 7 & 8 Review
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60 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first question you ask yourself when factoring a polynomial? 

How many terms does it have? 

Is there a GCF? 

What strategy should I use? 

Why do I have to learn this?!?!?!

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Factor completely:

x2 + 9x - 36

(x + 12)(x - 3)

(x + 9)(x - 4)

(x - 12)(x + 3)

(x - 9)(x - 4)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Factor completely:

81m2 - 1 

not factorable

(m-9)(m+9)

9m(9m-1)

(9m-1)(9m+1)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A rectangle has an area of 2x2 – 19x +45 ft2. What are the dimensions of the rectangle?  

(2x - 9)(x - 5)
(2x + 9)(x + 5)
(2x - 5)(x - 9)
(2x - 5)(x + 9)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What are the factors of
25x2 - 81?

(5x - 9)(5x + 9)
(5x - 9)(5x - 9)
(5x + 9)(5x + 9)
Cannot be factored

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Factor:
10x² + 9x - 7

(5x + 10)(2x - 7)
(10x + 2)(x - 3)
(5x + 3)(2x + 1)
(5x + 7)(2x - 1)

7.

MULTIPLE CHOICE QUESTION

1 min • 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

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