A community for students.
Here's the question you clicked on:
 0 viewing
barreraA
 one year ago
Use the quadratic equation y = x2 + 3x + 9.
Where does the vertex of the parabola lie?
(Points : 5)
below the xaxis
above the xaxis
on the xaxis
on the yaxis
barreraA
 one year ago
Use the quadratic equation y = x2 + 3x + 9. Where does the vertex of the parabola lie? (Points : 5) below the xaxis above the xaxis on the xaxis on the yaxis

This Question is Closed

barreraA
 one year ago
Best ResponseYou've already chosen the best response.0i think this one is A @sasogeek

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1\[\huge\rm x=\frac{ b }{ 2a }\] formula to find x coordinate of vetex

barreraA
 one year ago
Best ResponseYou've already chosen the best response.0ok thanks but i just want to know if im right or wrong @Nnesha

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1nope that's incorrect substitute x value y=x^2+3x+9 solve for y y is positive or negative ?

barreraA
 one year ago
Best ResponseYou've already chosen the best response.0i think its between B and D @Nnesha

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1so which one do not guess :)

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1\[\huge\rm Ax^2+Bx+C=0\] quadratic equation A leading coefficient C is constant term

barreraA
 one year ago
Best ResponseYou've already chosen the best response.0b above the xaxis @Nnesha

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1is that an educated guess or are u 100% sure ?? :=)

barreraA
 one year ago
Best ResponseYou've already chosen the best response.0thanks for the help @Nnesha
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.