What are the square roots of 196?

13 and –13

14 and –14

16 and –16

98 and –98
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QUESTION 2

Evaluate

11

12

13

14
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QUESTION 3

What are the solutions to the equation x2 = 225?

15 only

–15 only

13 and –13

15 and –15
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QUESTION 4

What are the solutions to the equation y2 – 1 = 48?

–5 and 5

–4 and 4

–7 and 7

–6 and 6
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QUESTION 5

What are the solutions to the equation x2 = 169?

13 only

–13 only

13 and –13

84.5 and –84.5