Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Find the vertex of the parabola formed by the following quadratic function: y = -3x2 + 12x - 7 A. (-2,-43) B. (2, 5) C. (-1, -22) D. (1, 2)

OpenStudy (luigi0210):

You know how to find it, right?

OpenStudy (anonymous):

no @Luigi0210

OpenStudy (luigi0210):

The vertex is \(\large \frac{-b}{2a}\) using \(\large Ax^2+Bx+C\)

OpenStudy (anonymous):

okay im going to try

OpenStudy (luigi0210):

Alrighty~

OpenStudy (anonymous):

i got (2,5) @Luigi0210

OpenStudy (luigi0210):

Try again >.<

OpenStudy (anonymous):

where am i going wrong?

OpenStudy (luigi0210):

You got the wrong x-coordinate

OpenStudy (anonymous):

ugh okay i see

OpenStudy (luigi0210):

It's suppose to be (-2, 43)

OpenStudy (anonymous):

howd you get that ? @Luigi0210

OpenStudy (luigi0210):

Whoops, I'm sorry, you were right the first time :D

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!
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!