A community for students.
Here's the question you clicked on:
 0 viewing
mmiranda50
 2 years ago
What are the approximate solutions of 2x2 − 7x = 3 rounded to the nearest hundredth?
No real solutions
x ≈ −0.77 and x ≈ 7.77
x ≈ −0.39 and x ≈ 3.89
x ≈ −3.89 and x ≈ 0.39
mmiranda50
 2 years ago
What are the approximate solutions of 2x2 − 7x = 3 rounded to the nearest hundredth? No real solutions x ≈ −0.77 and x ≈ 7.77 x ≈ −0.39 and x ≈ 3.89 x ≈ −3.89 and x ≈ 0.39

This Question is Closed

ucreategames
 2 years ago
Best ResponseYou've already chosen the best response.0Im confused by this problem. 2x2 would make people think you're multiplying 2 by 2. What does the equation really look like?

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2factor first: (2x1)(x3)

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2so either 2x1=0 or x3 = 0

mmiranda50
 2 years ago
Best ResponseYou've already chosen the best response.0that is not in the choices though

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2yeah... somethings wrong...

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.22x^2  7x = 3 2x^2  7x  3 = 0 (2x1)(x3) ===> this line's wrong

mmiranda50
 2 years ago
Best ResponseYou've already chosen the best response.0so how do i solve it?

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2y = ax^2 + bx + c y = 0 at x points of:

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2\[ \frac{ b +/\sqrt{(b ^{2}4ac} }{ 2a }\]

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2so: from your equation a = 2 b = 7 c = 3 sub those numbers into the equation I gave you and you'll get answers for x

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2\[x = \frac{ 7  \sqrt{73} }{ 4}\]

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2\[or x = \frac{ 7 + \sqrt{73} }{ 4}\]

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2so x = 3.886 and x = 0.386

mmiranda50
 2 years ago
Best ResponseYou've already chosen the best response.0ok thanks for the help

Jack1
 2 years ago
Best ResponseYou've already chosen the best response.2all good, sorry for the stuff up earlier
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.