Using the Distributive Property Answers

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1
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Ranger was given this expression to simplify. 4(2x – 5)What advice to simplify the expression would you give Ranger? Check all that apply.

A
First combine the terms in the parentheses.
B
This expression can be simplified by using the distributive property.
C
The 4 will be added to each term inside the parentheses.
D
The 4 will be multiplied to each term inside the parentheses.
E
A simplified expression is equivalent to the original expression.
2
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Which of the following did you include in your response?

A
Ranger is incorrect.
B
There are no parentheses and no like terms remaining.
C
8x and 20 are not like terms.
4

Ranger wants to verify that the expression 8x – 20 is the correct simplified expression for 4(2x – 5). Explain how to verify the simplified expression.

Answer:

Distribute 4 to both terms: 4(2x) = 8x and 4(-5) = -20, so 4(2x - 5) = 8x - 20. You can also substitute the same number for x in both expressions and use order of operations; if the values match, the expressions are equivalent.

5

What was Ranger’s simplified expression?

A
0.1x + 18.2
B
–16.1x + 11.8
C
16x – 18.2
D
–0.1x + 11.8
6

What should Ranger write for step 3?

A
4x
B
7x - 3
C
7x - 7
D
3x + 4x - 7
7

Which of the following did you include in your response?

A
Substitute a number for x in both expressions.
B
Use order of operations to determine the value.
C
Equal values represent equivalent expressions.

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