Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
KE8717504
Group Title
Find all positive and negative integers b such that 7x^2+bx+5 factors. B= (use comma's to seperate answers)
 2 years ago
 2 years ago
KE8717504 Group Title
Find all positive and negative integers b such that 7x^2+bx+5 factors. B= (use comma's to seperate answers)
 2 years ago
 2 years ago

This Question is Closed

Shi Group TitleBest ResponseYou've already chosen the best response.0
I think you should start by using the quadratic formula, though I think there might be a better way
 2 years ago

KE8717504 Group TitleBest ResponseYou've already chosen the best response.0
what's the better way?
 2 years ago

ArkGoLucky Group TitleBest ResponseYou've already chosen the best response.0
take the factors of 7 and 5 and mess with them to get all the possible b's
 2 years ago

KE8717504 Group TitleBest ResponseYou've already chosen the best response.0
the only factors of 7 are 1 and 7 and the only factors of 5 are 1 and 5
 2 years ago

KE8717504 Group TitleBest ResponseYou've already chosen the best response.0
so how would i list that?
 2 years ago

ArkGoLucky Group TitleBest ResponseYou've already chosen the best response.0
the answers are 12, 12, 2 and 2 I think. check if that's right
 2 years ago

KE8717504 Group TitleBest ResponseYou've already chosen the best response.0
12, 12, 36, 36
 2 years ago

ArkGoLucky Group TitleBest ResponseYou've already chosen the best response.0
36 doesn't work try factoring it
 2 years ago

Shi Group TitleBest ResponseYou've already chosen the best response.0
7x^2 + 35x + x + 5 7x(x+5) + 1(x+5) (7x+1)(x+5)
 2 years ago

Shi Group TitleBest ResponseYou've already chosen the best response.0
I don't think I've had this problem before but http://www.algebra.com/algebra/homework/Polynomialsandrationalexpressions/Polynomialsandrationalexpressions.faq.question.177236.html shows you how to get your solution
 2 years 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.