2007-12-18 09:09:29 · 5 answers · asked by fixitman 3 in Science & Mathematics ➔ Mathematics
y = a(x-1)(x+4)
=a(x^2 + 3x - 4)
=ax^2 + 3ax - 4a
= -3x^2 + bx + c
so a = -3
b = 3a = -9
and c = -4a = 12
2007-12-18 09:14:05 · answer #1 · answered by norman 7 · 1⤊ 0⤋
2
2007-12-18 17:11:44 · answer #2 · answered by Alex(a) Danforth 2 · 0⤊ 0⤋
y = (x - 1) (x + 4)
y = x^2 + 4x - x - 4
y = x^2 + 3x - 4
y = 3x^2 + 9x - 12
b = 9
c = -12
2007-12-18 17:14:30 · answer #3 · answered by xo_cuddly_kitten_xo 4 · 0⤊ 0⤋
defently 2
2007-12-18 17:12:11 · answer #4 · answered by Anonymous · 0⤊ 0⤋
I'm feel for you lol=] I HATE math........The only thing I can think of is to to google and put in the problem (when I do that I get my answer=])
.~.*.~.Happy Holidays.~.*.~.
2007-12-18 17:14:21 · answer #5 · answered by [♥]bethanne. 6 · 0⤊ 0⤋