Which represents the polynomial below written in standard form? startfraction x squared over 2 endfraction – 3x + 4x3 + 6 6 + startfraction x squared over 2 endfraction – 3x + 4x3 4x3 + startfraction x squared over 2 endfraction – 3x + 6 –3x + 4x3 + 6 + startfraction x squared over 2 endfraction startfraction x squared over 2 endfraction + 4x3 – 3x + 6

are you an artist's daughter? cuz dang you a fine piece of art, girl.

mrbilldoesmath!

answer: a parabola

steps:

(x-1)(x+4)   = x(x+4) - 1(x+4) = (x^2 + 4x) - (x+4)

                = x^2 +4x -x -4   = x^2 +3x -4

which is a parabola

mrb

the distance between the school and her home is 3.6km.

12 mins = 0.2 hours = 1/5 hour

54 ÷ 3 = 18km per hour

1/5 of 18 = 3.6km per 12 mins