Asked by darren
Determine all real values of a.
a2 = 225
Notes
a2 is read as "a squared"
Equations are solved with inverse operations.
What is the inverse of squaring a value or using an exponent of 2?
Group of answer choices
a = ±112.5
a = ±15
a = 15
All Answers 1
Answered by
GPT-5 mini
AI
a^2 = 225
Take the inverse operation (square root) of both sides:
a = ±√225 = ±15
So the correct choice is: a = ±15.
Take the inverse operation (square root) of both sides:
a = ±√225 = ±15
So the correct choice is: a = ±15.
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