A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 3 years ago
Solve the following using the quadratic formula. Round to the nearest tenth, if necessary.
x2 + 5x  2 = 0
{2, 5}
{5.4, 0.4}
{1, 0.5}
No real solution
anonymous
 3 years ago
Solve the following using the quadratic formula. Round to the nearest tenth, if necessary. x2 + 5x  2 = 0 {2, 5} {5.4, 0.4} {1, 0.5} No real solution

This Question is Closed

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Do you know the quadratic formula?

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Look in you book. It's in there.

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1So in your equation, a = 1, b = 5, and c = 2 Just plug in those numbers in place of the letters.

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1\[x=\frac{5\pm \sqrt{5^24(1)(2)}}{2(1)}\]

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Does yours look like that so far?

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1\[x=\frac{5\pm \sqrt{33}}{2}\]

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1Oh gees. They gave the answers in decimal form so now we need a calculator. Do you have one handy?

Mertsj
 3 years ago
Best ResponseYou've already chosen the best response.1\[\frac{5+\sqrt{33}}{2}=.37\approx .4\] \[\frac{5\sqrt{33}}{2}=5.37\approx 5.4\]
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.