AnswersMathematics III AUnit Test

Simplifying Polynomial Expressions Answers

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Simplify the expression.✔ 7y² - y + 21-7y² - y + 21-8y + 21-7y + 21

Question illustration
A
✔ 7y² - y + 21
B
-7y² - y + 21
C
-8y + 21
D
-7y + 21
2
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Simplify .

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
3

To simplify the expression below, what should you do first?

Question illustration
A
Combine all like terms.
B
Subtract inside parentheses.
C
Subtract y from 4y.
D
Distribute the –y and 2 to the terms in the parentheses.
4

What is the first step in simplifying the expression-5x²(4x³ - x²)² ?

A
Distribute
Option A
B
Square
Option B
C
Subtract
Option C
5

Simplify

Question illustration
A
3x – 2
B
3x + 4
C
5x – 4
D
5x + 4

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