Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
← 55 members online
 0 viewing

This Question is Closed

Emily778 Group TitleBest ResponseYou've already chosen the best response.0
by adding them both together.
 11 months ago

Emily778 Group TitleBest ResponseYou've already chosen the best response.0
umm, hello?
 11 months ago

dvada191 Group TitleBest ResponseYou've already chosen the best response.0
it has imaginary roots
 11 months ago

dvada191 Group TitleBest ResponseYou've already chosen the best response.0
\[x=0.25\pm 0.968i\]
 11 months ago

phi Group TitleBest ResponseYou've already chosen the best response.1
For this problem, you should use the quadratic formula see http://www.khanacademy.org/math/trigonometry/polynomial_and_rational/quad_formula_tutorial/v/usingthequadraticformula for how to do it. You will get a minus number inside a square root, which means a complex number.
 11 months ago

Emily778 Group TitleBest ResponseYou've already chosen the best response.0
isn't the answer x=1+isqrt15/2?
 11 months ago

phi Group TitleBest ResponseYou've already chosen the best response.1
almost, the bottom should be 2*a = 4 \[ x= \frac{1 ± \sqrt{15} \ i}{4} \]
 11 months 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.