Question

Select the correct answer from the drop-down menu. The solution set for -2x2 + 12x = 0 is .?

{0, 12}
{0, -12}
{0, 6}
{0, -6}

Answer 1

Fourth is correct option, {0, -6}.

Solution:

Equation:

-2x2 + 12x = 0

= x(-2x + 12) = 0

= x= 0 , -2x + 12 = 0

-2x =-12

x = -12/-2

x = -6

Solution set = {0, -6}