IXL | Checkpoint: Square and cube roots | 8th grade math

Which equation is true when

x

=

1

4

but not when

x

=

–

1

4

?

Select all that apply.

x

2

=

1

2

x

3

=

1

2

x

2

=

1

16

x

3

=

1

16

x

2

=

1

64

x

3

=

1

64

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Not feeling ready yet? These can help:

E.1Square roots of perfect squares

E.6Solve equations using square roots

E.7Cube roots of positive perfect cubes

E.9Solve equations using cube roots

F.1Identify rational and irrational square roots