Question

Solve the equation. If necessary, round your answer to the nearest tenth.

4x2 = 121

A.
2.75, –2.75

B.
5.5, –5.5

C.
11, –11

D.
30.25, –30.25

Answer 1

B: x = 5.5 or -5.5 (square root) -> 2x = 11 (divide by 2) -> x = 5.5 or -5.5

Answer 2

Answer:

5.5 or -5.5

Step-by-step explanation:

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