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4 votes
Solve using square roots. Select all correct answers.

4x² = -100


Options
-5i
10
-5
5i
-10
5

User Tami
by
7.2k points

1 Answer

2 votes

Answer:

Add

25

to both sides of the equation.

4

x

2

=

25

Divide each term in

4

x

2

=

25

by

4

and simplify.

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x

2

=

25

4

Take the specified root of both sides of the equation to eliminate the exponent on the left side.

x

=

±

25

4

Simplify

±

25

4

.

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x

=

±

5

2

The complete solution is the result of both the positive and negative portions of the solution.

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x

=

5

2

,

5

2

Explanation:

User Hbristow
by
7.5k points

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