Solved

Solve Give Exact Solutions $y ^ { 2 } = 21$

Question 16

Question 16

Multiple Choice

Solve. Give exact solutions.
- $y ^ { 2 } = 21$

A) $\sqrt { 21 }$
B) $\pm \sqrt { 21 }$
C) $10.5$
D) 441

Correct Answer:

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