Question

Find the value of c that makes the expression a perfect square trinomial. x^2+10x+c A. 20 B. 25 C. 50 D. 100

Answer 1

The answer is B.

Explanation:

In the options, 25 is perfect square of 5 and 100 is square of 10.

So when 5 + 5, you will get 10 which is the 2nd term of the expression.