A community for students.
Here's the question you clicked on:
 0 viewing
FreeTrader
 3 years ago
Can you help me see where I am stuck finding the zeros of this quadratic equation?
FreeTrader
 3 years ago
Can you help me see where I am stuck finding the zeros of this quadratic equation?

This Question is Closed

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0\[3x^2  12x + 11 = 0\]

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.1quadratic formula for this one use \[x=\frac{b\pm\sqrt{b^24ac}}{2a}\] with \[a=3,b=12,c=11\]

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0My student solutions manual says I should obtain \[(6 \pm \sqrt{3}) \div 3\]

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0Let's walk through this, so I can see where I am tripping over my shoelaces.

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.1first you get \[\frac{12\pm\sqrt{(12)^24\times 3\times 11}}{6}\]

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0Wait a sec. I see that I made an error in the first term under the radical. I will go back to the drawing board and reattempt this one on my own.

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0By the way, how are you producing the nice looking divisor line?

satellite73
 3 years ago
Best ResponseYou've already chosen the best response.1\frac{a}{b} looks like \[\frac{a}{b}\]

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0Got it. I made simple mistakes in my substitutions, then got hung up on trying to do algebra with unduly complicated figures.

FreeTrader
 3 years ago
Best ResponseYou've already chosen the best response.0THANKS @satellite73, you got me unstuck!
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.