Determine the value or values of d that complete the square for the expression. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.)

Question

(a)
x^2 + 7x + d
d =



b)
x^2 − 18x + d
d =



(c)
x^2 + dx + 64

d =



(d)
x^2 + dx + 49/4

d =

Answer 1

(7/2)^2
(18/2)^2
(√64)*2
(√49/4)*2

Note that (a) and (d) are the same polynomial