what is the value of c so that y=x^2+12x+c is a perfect square trinomial
-12
-36
-72
-144

Question

what is the value of c so that y=x^2+12x+c is a perfect square trinomial
-12
-36
-72
-144

anonymous · Answer

One moment. I trying to figure out how to explain this without confusing you.

anonymous · Answer

*I'm

anonymous · Answer

The first term is the square of the first term of the binomial:  a^2
The second term is twice the product of the two terms:  2ab
The third therm is the square of the second term:  b2

anonymous · Answer

b = 12x
half of twelve is 6, and 6 squared is 36.
36 is the answer.

anonymous · Answer

Sorry, I had class, but I wanted to give you this link... http://www.themathpage.com/alg/perfect-square-trinomial.htm It literally has the same exact problem you need help with as one of its examples along with an explanation on how to solve it. I apologize for my terrible wording. I'm not good at explaining this.

anonymous · Answer

thank you very much, i understand how you explained it.

anonymous · Answer

Glad to hear, and you're welcome.