SOLUTION: What are the solutions for the quadratic equation 2x2 – 12x – 32 = 0? Which answer is it? a. {2,8} b. {-2,-8} c. {-2,8} d. {2,-8}

Algebra ->  Coordinate-system -> SOLUTION: What are the solutions for the quadratic equation 2x2 – 12x – 32 = 0? Which answer is it? a. {2,8} b. {-2,-8} c. {-2,8} d. {2,-8}      Log On


   

Question 633989: What are the solutions for the quadratic equation 2x2 – 12x – 32 = 0?
Which answer is it?
a. {2,8}
b. {-2,-8}
c. {-2,8}
d. {2,-8}
Answer by Maths68(1474) About Me  (Show Source):
You can put this solution on YOUR website!
2x%5E2-12x-32=0
2%28x%5E2-6x-16%29=0
2%28x%5E2-6x-16%29%2F2=0%2F2
x%5E2-6x-16=0
x%5E2-8x%2B2x-16=0
x%28x-8%29%2B2%28x-8%29=0
%28x%2B2%29%28x-8%29=0
x%2B2=0 or x-8=0
x=-2 or x=8
Answer C is right