Question

COMPLETING THE SQUARE?

Answer 1

Is completing the square is a good method for solving when the Discriminant is negative? Use x^2 +10x +16 as an example and respond in complete sentences.

Answer 2

explanation here:
http://www.mathwarehouse.com/quadratic/discriminant-in-quadratic-equation.php

Answer 3

Thx, but I understand the discriminant, what I don't understand is what completing the square has to do with it when the discriminant is negative, which this one is in this equation (-59).

Answer 4

If the discriminant is negative then there are no real roots

Answer 5

there would be a pair of complex or imaginary roots

Answer 6

@mathhelpnow

Answer 7

Ok, so completing the square wouldn't be a good method then for this?

Answer 8

quadratic formula works for it. but yes I agree with you