Ask your own question, for FREE!
Mathematics 9 Online
OpenStudy (anonymous):

Which polynomial is a perfect square trinomial? A. 9x2 − 12x + 4 B. 36b2 − 24b + 16 C. 16x2 − 24x − 9 D. 4a2 − 10a − 25

Directrix (directrix):

A. 9x^2 − 12x + 4 First term is a square, last term is a square, middle term is positive or negative the product of square root of first term and that of the last. -2(3x)(2) = -12x

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Latest Questions
Arriyanalol: i need help
2 days ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
2 days ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!