Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
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
 one year ago
 one year 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
 one year ago
 one year ago

This Question is Closed

MertsjBest ResponseYou've already chosen the best response.1
Do you know the quadratic formula?
 one year ago

MertsjBest ResponseYou've already chosen the best response.1
Look in you book. It's in there.
 one year ago

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

MertsjBest ResponseYou've already chosen the best response.1
\[x=\frac{5\pm \sqrt{5^24(1)(2)}}{2(1)}\]
 one year ago

MertsjBest ResponseYou've already chosen the best response.1
Does yours look like that so far?
 one year ago

MertsjBest ResponseYou've already chosen the best response.1
\[x=\frac{5\pm \sqrt{33}}{2}\]
 one year ago

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

MertsjBest ResponseYou've already chosen the best response.1
\[\frac{5+\sqrt{33}}{2}=.37\approx .4\] \[\frac{5\sqrt{33}}{2}=5.37\approx 5.4\]
 one year ago
See more questions >>>
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.