AnswersAJH Pre-Algebra A Grade 8Simplifying Expressions

Simplifying Expressions Answers

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Jane evaluates for below.Step 1: Step 2: Step 3: What, if any, was Jane’s mistake?

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A
Jane made no mistakes.
B
Jane incorrectly evaluated in step 2.
Option B
C
Jane incorrectly added the terms in step 3.
D
Jane incorrectly substituted in in step 1.
Option D
2
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Oneta writes an algebraic expression with three terms. The y-term has a coefficient of -3, and the x-term has a coefficient of 1. The expression does not have a constant term. Which expression could she have written?

A
x minus y squared minus 3 y
Option A
B
x minus 3 y + 6
Option B
C
x + 3 y squared + 3 y
Option C
D
x + 3 y + 7
Option D
3

What is the coefficient of the c-term of the algebraic expression ?

Question illustration
A
-34
B
-1
C
0
D
1
4

Simonne used the following steps to simplify the given expression. Step 1: Step 2: Step 3: Step 4: Step 5: What property of real numbers was used to transition from step 3 to step 4?

Question illustration
A
identity property of addition
B
inverse property of addition
C
associative property of addition
D
commutative property of addition
5

What is the simplified expression for ?

Question illustration
A
Negative 5 c d
Option A
B
c d minus 8 d
Option B
C
5 c d minus 8 d
Option C
D
Negative 5 c d minus 8 d
Option D
6

Which is the constant term of the algebraic expression ?

Question illustration
A
-15
B
-2
C
7
D
17
7

What is the simplified expression for ?

Question illustration
A
12 a b
Option A
B
13 a b
Option B
C
15 a b
Option C
D
16 a b
Option D
8

How many terms are in the algebraic expression ?

Question illustration
A
1
B
2
C
3
D
4
9

What is the value of when ?

Question illustration
A
-108
B
0
C
108
D
216
10

What is the value of when ?

Question illustration
A
-25
B
-18
C
11
D
45

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