katlin95
How many solutions are there for the equation? x2 + 16 = 8x
A. 2
B. 1
C. 0



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saljudieh07
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1

saljudieh07
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is that x^2? as in x squared?

saljudieh07
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or 2x

katlin95
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x squared

saljudieh07
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therefore, you have two solutions, answer is A

EEMajor12
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Generally, all quadratics x^2 have two root. Remember the \[\pm\] when you do find the roots.

Directrix
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There are two roots 4 and 4 but 4 is considered a "double root." You have 2 roots but only one distinct root.