Equivalent Expressions

Question 1

Which best proves why the expressions and must be equivalent expressions?

Revolt · Accepted Answer

When , both expressions have a value of 18, and when , both expressions have a value of 60.

Question 2

James determined that these two expressions were equivalent expressions using the values of and . Which statements are true? Check all that apply. and

Revolt · Accepted Answer

When , both expressions have a value of 18.; The expressions have equivalent values for any value of x.; The expressions have equivalent values if .

Question 3

Randy is checking to determine if the expressions and are equivalent. When , he correctly finds that both expressions have a value of 20. When , he correctly evaluates the first expression to find that .What is the value of the second expression when , and are the two expressions equivalent?

Revolt · Accepted Answer

The value of the second expression is 14, so the expressions are equivalent.

Question 4

Maria determined that these expressions are equivalent expressions using the values of and . Which statements are true? Check all that apply. and

Revolt · Accepted Answer

The expressions have equivalent values when .; The expressions have equivalent values for any value of x.; When , both expressions have a value of 33.

Question 5

Which property was applied to create this equivalent expression?

Revolt · Accepted Answer

the associative property only

Question 6

Which expression is equivalent to ?

Revolt · Accepted Answer

x (7 y)

Question 7

After substituting, what is the first operation performed when evaluating for ?

Revolt · Accepted Answer

multiplication

Question 8

Which expression is equivalent to ?

Revolt · Accepted Answer

11 + x

Question 9

Which expressions are equivalent to ? Check all that apply.

Revolt · Accepted Answer

8 d + one-third + StartFraction 5 Over 7 EndFraction; One-third + StartFraction 5 Over 7 EndFraction + 8 d; StartFraction 5 Over 7 EndFraction + one-third + 8 d

Question 10

Which expressions are equivalent when and ?

Revolt · Accepted Answer

and

Equivalent Expressions Answers

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