SOLUTION: What is the value of c so that y=x^2+15x+c is a perfect square trinomial
Algebra.Com
Question 959129: What is the value of c so that y=x^2+15x+c is a perfect square trinomial
Found 2 solutions by jim_thompson5910, MathLover1:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
15 is the x coefficient
take half of 15 to get 15/2
Square 15/2 to get (15/2)^2 = 225/4
The value of c is 225/4
------------------------------------------------------------------------------------------------------------------------
If you need more one-on-one help, email me at jim_thompson5910@hotmail.com. You can ask me a few more questions for free, but afterwards, I would charge you ($2 a problem to have steps shown or $1 a problem for answer only).
Alternatively, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Any amount is greatly appreciated as it helps me a lot. This donation is to support free tutoring. Thank you.
Jim
------------------------------------------------------------------------------------------------------------------------
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
to be a perfect square trinomial should be
recall the rule:
so, you have and
then the value of is
so,
RELATED QUESTIONS
Find the value of "c" that makes the trinomial a perfect square:... (answered by ilana)
Find the value of "c" that makes the trinomial a perfect square:... (answered by josmiceli)
Find the value of c that makes x^2+5x+c a perfect square trinomial.... (answered by venugopalramana)
5.Find the value of "c" that makes trinomial a perfect square: x^2-8x+c
(answered by richwmiller)
find the value of c that makes each trinomial a perfect square: x^2-21x+c. (answered by ankor@dixie-net.com)
What value of 'c' would make x^2+2/3x+c a perfect square trinomial... (answered by stanbon)
What is the value of n so that the expression x² + 12x + n is a perfect square trinomial? (answered by checkley79,lynnlo)
find the value of c that makes each trinomial a perfect square.... (answered by richwmiller)
What value of c makes x^2+24x+c contain a perfect square trinomial (answered by jim_thompson5910)