Asked by sandy

Y2 = 289
the 2 is to the second power

a. Y = 289
b. Y = 144.5
c. Y = 18
d. Y= -17 and +17
Answered by math pro
if it is the power of 2. i would just square the y side to get rid of y and then do the same thing to the other side. square root of 289 is 17. Therefore your answer is 17.
btw i squarerooted the first side in order to get rid power, cuz u cant power something if there is no number
Answered by Melissa
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