A community for students.
Here's the question you clicked on:
← 55 members online
 0 viewing
haileemackk
 2 years ago
Which equation is a quadratic equation?
3x − y = 8x + 2
y = 7x(5 − 2x) + 9
7x2 + y = (3 + x)(7x − 1)
y − 3 = (x2 − 3)(8x + 3)
I think it's y = 7x(5 − 2x) + 9 because it looks like it's in standard form but I just want to make sure.
haileemackk
 2 years ago
Which equation is a quadratic equation? 3x − y = 8x + 2 y = 7x(5 − 2x) + 9 7x2 + y = (3 + x)(7x − 1) y − 3 = (x2 − 3)(8x + 3) I think it's y = 7x(5 − 2x) + 9 because it looks like it's in standard form but I just want to make sure.

This Question is Closed

johnweldon1993
 2 years ago
Best ResponseYou've already chosen the best response.0You would be correct :)

sami21
 2 years ago
Best ResponseYou've already chosen the best response.0hre are more than one quadratic equations above.

johnweldon1993
 2 years ago
Best ResponseYou've already chosen the best response.0@sami21 no...that last equation would be a cubic

sami21
 2 years ago
Best ResponseYou've already chosen the best response.07x2 + y = (3 + x)(7x − 1) y = 7x(5 − 2x) + 9

nubeer
 2 years ago
Best ResponseYou've already chosen the best response.17x^2 cancels up if u evaluate this option
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.