Write a quadratic equation that has the given roots: -6i,6i?

0 ⤊

answer choices are:
a. x^2+36=0
b. x+36=0
c. x^2-36=0
d. x^2+x-36=0
Thanx.

2007-05-10 06:21:59 · 2 answers · asked by Anonymous in Education & Reference ➔ Homework Help

If we know the roots are -6i,6i
then we can set up this equation

(x²+36) = 0
because the roots are -6i,6i.

Voila! We have

x²+36 = 0
.

2007-05-10 07:49:45 · answer #1 · answered by Robert L 7 · 0⤊ 0⤋

A. x^2 + 36 = 0

2007-05-10 14:33:15 · answer #2 · answered by blueskies 7 · 0⤊ 0⤋