Question

What is the value of C so that y=x^2+15x+c is a perfect square trinomial?
A-30
B-15/2
C- 15/4
D-225/4

Answer 1

@mjoxprm360

Answer 2

what is half of \(15\) ?

Answer 3

5

Answer 4

5*3=15

Answer 5

lets go slow
what is HALF of 15, written as a fraction
not "one third of fifteen"

Answer 6

um.. lol im not stupid but ok

Answer 7

7.5

Answer 8

short answer!!!!! A

Answer 9

thanx @mjoxprm360

Answer 10

i was looking for the answer "half of 15 is \(\frac{15}{2}\)"
now to get your answer, you need to square it
short answer is wrong, it is not A

Answer 11

np

Answer 12

XD

Answer 13

beware of answers given without explanation
they are usually guesses and often wrong

Answer 14

explain to me why its not.........................lol i forgot 2 numbers in my equation

Answer 15

foreal @satellite73 well not @mjoxprm360 he smart

Answer 16

you need a method, not an answer
any answer given without explanation is suspect
in this case A is not the right answer, which is not surprising because there was no explanation of why it should be A, just the response "A"

Answer 17

foreal so thas wrong

Answer 18

yes here ill put up explanation @satellite73

Answer 19

so wats the rit answer

Answer 20

just a sec

Answer 21

ok

Answer 22

lol phebe i put up wrong question XD XD XD XD XD XD XD

Answer 23

half of \(15\) is \(\frac{15}{2}\)
to get your answer, compute
\[\left(\frac{15}{2}\right)^2\]