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Allisa [31]
3 years ago
11

Select the two values of x that are roots of this equation. (This is for apex by the way)

Mathematics
1 answer:
Tom [10]3 years ago
4 0

Answer:

Step-by-step explanation:

Find the discriminant, b^2-4ac:  Here a = 1, b = -5 and c = 5.

Then the discriminant is (-5)^2-4(1)(5) = 5, and so there are 2 real, different roots.  The roots are:

      -(-5) ±√5

x = ----------------,   which correspond to answers A and C.

           2(1)

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