?

SAT® Subject Test in Math 1 & 2

Free Version

Upgrade subject to access all content

Moderate

Addition and Multiplication Properties of Roots of Unity

Free
SATSTM-ASLEKV

Let $a$, $b$, and $c$, be the three distinct complex solutions to the equation $x^3-1=0$.

Which of the following is NOT true?

A

If $a=1$, then $bc=1$.

B

$a+b+c=1$

C

$abc=1$

D

$ab+ac+bc=0$