What is the value of c so that y+x^2+9x+c is a perfect square triangle?

1 answer:

Alona [7]3 years ago

4 0

<span>x^2 - 9x + c
=x^2 - 2(x)(9/2) + (9/2)^2 is a perfect square
Therefore b = (9/2)^2 = 81/4
Ans: 81/4 </span>

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