Asked by Holly
If (a,-12)is a point on the graph of y=x^2+7, what is a?
Answers
Answered by
drwls
-12 = a^2 + 7
a^2 = -19
a is imaginary
y = x^2 + 7 cannot be -12 for any real x.
a^2 = -19
a is imaginary
y = x^2 + 7 cannot be -12 for any real x.
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