Ask
your own question, for FREE!
Mathematics
18 Online
OpenStudy (anonymous):
describe the graph y=6x^2+12x-9
i thought it was a parabola with axis of symmetry of -1
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
6x^2+12x=y+9
6(x^2+2x)=y+9
6(x^2+2x+1-1)=y+9
6(x+1)^2-6=y+9
6(x+1)^2=y+15
a parabola of the form x^2=4ay
OpenStudy (anonymous):
does that mean i was right i am confused
OpenStudy (anonymous):
the options are 1, -1, 6, 9
OpenStudy (anonymous):
for the axis of symmetry
OpenStudy (anonymous):
wait ill see
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
x=-12/(2*6)
=-12/12
=-1
OpenStudy (anonymous):
so yes
OpenStudy (anonymous):
For a quadratic function in standard form, y = ax2 + bx + c, the axis of symmetry is a vertical line x=-b/2a
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
any other question?
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
umm i have to describe this function y=|x-4|-7 and i got its a absolute function and vertex of 4,-7
OpenStudy (anonymous):
ya right
OpenStudy (anonymous):
OK i wasn't sure cool thanks a lot
OpenStudy (anonymous):
welcome
u are in which class and where???
OpenStudy (anonymous):
algebra
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (anonymous):
i mean which standard do u study
OpenStudy (anonymous):
what do you mean?
OpenStudy (anonymous):
u are in which class 10 th or +2 or grade k12 which one?///
OpenStudy (anonymous):
o haha 10
OpenStudy (anonymous):
sorry
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!