Question

Which of the following is not a perfect square trinomial?

A.
169 – 26y + y2

B.
81 + 18y + y2

C.
64 + 8y + y2

D.
25 + 10y + y2

Answer 1

Can someone help me please

Answer 2

Look @ each middle term. For example, on D, the middle term is 10. You see 5+5 = 10 and 5*5 = 25. So, that one is a perfect square. You can factor this into (y+5)^2

Test them all.

Answer 3

hmmmmmm

Answer 4

9+9 is 18....
-13 + -13 is -26....
4 + 4 is 8...

which one of those doesn't work? what is 9*9? what is -13*-13? what is 4*4?

Answer 5

what are you talking 'bout

Answer 6

lol

bye

Answer 7

can someone else help

Answer 8

wow no help

Answer 9

letter c is not a pst

Answer 10

whats pst

Answer 11

perfect square trinomial

Answer 12

Ok thanks for giving me the answer

Answer 13

hmm i see someone typing