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## katlin95 3 years ago How many solutions are there for the equation? x2 + 16 = 8x A. 2 B. 1 C. 0

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1. saljudieh07

1

2. saljudieh07

is that x^2? as in x squared?

3. saljudieh07

or 2x

4. katlin95

x squared

5. saljudieh07

therefore, you have two solutions, answer is A

6. EEMajor12

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

7. Directrix

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

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