F (x) = x^2 - 3x-8 solve using the quadratic formula

Question

Mathematics

Maxwell Haynes

16 January, 07:03

F (x) = x^2 - 3x-8 solve using the quadratic formula

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Answers (1)

Know the Answer?

Becker · Answer 1

Solve for x over the real numbers:

x^2 - 3 x - 8 = 0

x = (3 ± sqrt ((-3) ^2 - 4 (-8))) / 2 = (3 ± sqrt (9 + 32)) / 2 = (3 ± sqrt (41)) / 2:

Answer: x = (3 + sqrt (41)) / 2 or x = (3 - sqrt (41)) / 2 = using quadratic formula