Negative Square Roots

Simplify √-4

• 2i

• -2i

• 2

• 4i

Simplify -√-48

• 4i√3

• -4i√3

• i√48

• -48i

Simplify √-81

• -√81

• -9i

• 9i

• 81i

Simplify √-28

• -√28

• -2i√7

• 2i√7

• 28i

True or false: Any expression that includes square roots of negative numbers also results as "undefined" with no solution

• True

• False

• I don't know

What is the answer to √(-25)?

• no real solution

• 5

• -5

• -5 and 5

Tags

CCSS.8.EE.A.2

Simplify.

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Simplify √-25

• i√25

• 5i

• -5i

• 25i

Simplify √-45

• 3i√5

• -3i√5

• -i√45

• 45i

Simplify -√-8

• -i√8

• -2i√2

• 2i√2

• -8i