SOLUTION: a2 = 16

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Question 6045: a2 = 16
Found 4 solutions by CharStar, dizzydee53538, xcentaur, longjonsilver:
Answer by CharStar(110)   (Show Source):
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This is a square root. The answer is definitely 4
Abbey is correct. Sorry for the mistake.

Answer by dizzydee53538(2)   (Show Source):
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I would say that a is 8 since 8 plus 8 equals 16.

Answer by xcentaur(357)   (Show Source):
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Do you mean a-squared or twice-a..?
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"twice-a":
2a=16
a=8
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"a-squared":
a^2=16
a=sqrt(16)
a=4
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hope this helps,
good luck

Answer by longjonsilver(2297)   (Show Source):
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ignore dizzydee's solution - it is badly wrong!

answer is:
--> take square root of both sides
OR --> taking a square root ALWAYS generates 2 answers!!! So,

a=+4 or a=-4

jon.