Find the value of c that makes each trinomial a perfect square. then write the trinomial as a perfect square. the equation , x^2+11x+c

Therefore, the value of C should be (11/2)^2

To square a fraction, take the square of the numerator and put it over the square of the denominator. So since 11^2=121 and 2^2=4, (11/2)^2
(11)^2/(2)^2=121/4


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The answer is the first one