SOLUTION: We have been asked to do the following problem, for some reason it's just not sinking in. Any help that you could provide would be greatly appreciated. One solution of 3x^2-7x+

Algebra.Com
Question 29793: We have been asked to do the following problem, for some reason it's just not sinking in. Any help that you could provide would be greatly appreciated.
One solution of 3x^2-7x+c=0 is 1/3. Find C and the other solution.
Thanks!
Lisa

Answer by venugopalramana(3286)   (Show Source): You can put this solution on YOUR website!
One solution of 3x^2-7x+c=0 is 1/3.
LET THE OTHER ROOT BE A...IN A QUADRATIC EQN.AX^2+BX+C=0..SUM OF ROOTS =-B/A AND PRODUCT OF ROOTS = C/A...HENCE.....
SUM OF ROOTS =A+1/3=-(-7)/3=7/3....SO A=7/3-1/3=6/3=2
PRODUCT OF ROOTS =A*1/3=2*1/3=2/3=C/3....SO C=2

RELATED QUESTIONS

I would really appreciate any help you could can give me regarding the two following... (answered by Earlsdon)
Our class got assigned a project on polynomials involving writing a research paper and... (answered by MathLover1)
I posted earlier: In proving a trig identity, why is working only one side important? (answered by josgarithmetic,Alan3354)
I have the following quadratic equation that I have been trying to graph for like an hour (answered by jim_thompson5910)
This question is about disjunctive argument. Please help. Identify whether the... (answered by solver91311)
sove..type ordered pair x+2y=5 (1) x=4-2y (2) i asked some people i knew if they... (answered by Alan3354)
I need help solving for N. I can guess the right answer (which is 4) and use the "plug... (answered by checkley71,stanbon)
Tutor, I could use some help on this problem. I have been looking at it for a while... (answered by stanbon,Flake)