Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Can you help me see where I am stuck finding the zeros of this quadratic equation?
 2 years ago
 2 years ago
Can you help me see where I am stuck finding the zeros of this quadratic equation?
 2 years ago
 2 years ago

This Question is Closed

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

satellite73Best ResponseYou've already chosen the best response.1
quadratic formula for this one use \[x=\frac{b\pm\sqrt{b^24ac}}{2a}\] with \[a=3,b=12,c=11\]
 2 years ago

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

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

satellite73Best ResponseYou've already chosen the best response.1
first you get \[\frac{12\pm\sqrt{(12)^24\times 3\times 11}}{6}\]
 2 years ago

FreeTraderBest ResponseYou've already chosen the best response.0
Wait 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.
 2 years ago

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

satellite73Best ResponseYou've already chosen the best response.1
\frac{a}{b} looks like \[\frac{a}{b}\]
 2 years ago

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

FreeTraderBest ResponseYou've already chosen the best response.0
THANKS @satellite73, you got me unstuck!
 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.