A community for students.
Here's the question you clicked on:
 0 viewing
P.nut1996
 3 years ago
Please help me solve? I'm not getting it right...
x^2+2x+9=0
P.nut1996
 3 years ago
Please help me solve? I'm not getting it right... x^2+2x+9=0

This Question is Closed

nubeer
 3 years ago
Best ResponseYou've already chosen the best response.1\[x = \frac{ b \pm \sqrt{b ^{2}4ac} }{ 2a }\] This is the quadratic formula... from your question x^2+2x+9=0 a=1, b = 2,c = 9.. now plug in values u will get 2 values of x

lacypennelll
 3 years ago
Best ResponseYou've already chosen the best response.1dw:1359049498036:dw

lacypennelll
 3 years ago
Best ResponseYou've already chosen the best response.1Might want to close this question

P.nut1996
 3 years ago
Best ResponseYou've already chosen the best response.1I got \[x=1\pm \sqrt{18}\] which does not look right at all...

P.nut1996
 3 years ago
Best ResponseYou've already chosen the best response.1My answer choices are: a. \[x=2\pm4i \sqrt{2}\] b. \[x=2\pm2i \sqrt{2}\] c. \[x=1\pm4i \sqrt{2}\] d. \[x=1\pm2i \sqrt{2}\]
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.