Ask
your own question, for FREE!
Mathematics
67 Online
OpenStudy (anonymous):
Identify which equation is a quadratic equation. A.))y = −6x − 3 B.))y + x2 = (x − 1)(x + 7) C.))y − 9 = (x − 1)(x2 + 4) D.))y = 5x(x + 3) − 8
Still Need Help?
Join the QuestionCove community and study together with friends!
Directrix (directrix):
D.))y = 5x(x + 3) − 8
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!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
AddieroniAndCheese:
Here's a art piece I did last night. I personally don't like it but it would be awesome if some of you artists out there would tell me what I did right and
gelphielvr:
(algebra 1) need help turning this function into standard form. function = h(x)=
Ultrilliam:
Announcing the re-opening of the Official QuestionCove Minecraft Server! Details
jinxthelovely:
my theripist told me to write a poem explaining how my life makes me feel including my mother, and I need to read it at an open mic night at a job I work at
XxHellzAngelsxX:
Untitled Did you know that it hurt?u2028u2028 Of course you did, u2028 You even shed tears of it.
KatelynGrace:
what u guys think of it In the gentle warmth of morning light, I find his laughter, pure delight.
AddieroniAndCheese:
AP chem question PLEASE HELP MY GOSH how would I go about doing this?
girlypop:
heres another daily bible verse for all my daily readers :> u201cDo not be anxious about anything, but in everything by prayer and supplication with thanksg
AddieroniAndCheese:
Here's a art piece I did last night. I personally don't like it but it would be awesome if some of you artists out there would tell me what I did right and
13 minutes ago
8 Replies
2 Medals
gelphielvr:
(algebra 1) need help turning this function into standard form. function = h(x)=
44 minutes ago
11 Replies
3 Medals
Ultrilliam:
Announcing the re-opening of the Official QuestionCove Minecraft Server! Details
1 hour ago
71 Replies
7 Medals
jinxthelovely:
my theripist told me to write a poem explaining how my life makes me feel including my mother, and I need to read it at an open mic night at a job I work at
1 hour ago
7 Replies
4 Medals
XxHellzAngelsxX:
Untitled Did you know that it hurt?u2028u2028 Of course you did, u2028 You even shed tears of it.
1 hour ago
11 Replies
6 Medals
KatelynGrace:
what u guys think of it In the gentle warmth of morning light, I find his laughter, pure delight.
1 hour ago
9 Replies
1 Medal
AddieroniAndCheese:
AP chem question PLEASE HELP MY GOSH how would I go about doing this?
9 hours ago
10 Replies
2 Medals
girlypop:
heres another daily bible verse for all my daily readers :> u201cDo not be anxious about anything, but in everything by prayer and supplication with thanksg
1 day ago
4 Replies
4 Medals