Question

The value of k that makes the expression x^2 + 72x +k a perfect square trinomial is ?
(x+72/2)^2 = (x+36)^2 = x^2 + 72x + 1296
k = 1296
72/2 = 36
36^2= 1296

Related Questions

Is this trinomial a perfect square x^2-6x+9 if the trinomial starts with x^2 and 1/2 of the mid... Find the value of c that makes the expression a perfect square trinomial. Then write the expression... find the value of c that makes each trinomial a perfect square. then write the trinomial as a prefec... x^2- 18x = -80 A. Suppose the equivalent equation is written x^2 -18x +c= -80+ c. What value of c...