IXL | Identify equivalent expressions II

Select the expressions that are equivalent to

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Learn with an example

question

Select the expressions that are equivalent to

key idea

Two expressions are equivalent if they are the same when written in standard form.

For example,

(

)

and

are equivalent because they have the same standard form,

solution

To find which expressions are equivalent to

write each one in standard form. See which expressions have the same standard form as

First, write

in standard form.

Combine like terms

The standard form of

The expression

is already in standard form, but the standard form of

and

are not

equivalent.

The expression

is already in standard form, and the standard form of

is also

and

are

equivalent.

Write

in standard form.

Multiply

The standard form of

and the standard form of

is also

and

are

equivalent.

The expression

is already in standard form, but the standard form of

and

are not

equivalent.

The correct answers are:

12
j
j
12

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Lesson: Equivalent expressions

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Z.12Identify equivalent expressions I

Lesson: Equivalent expressions

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