hey people i was just wondering if the general shape of a cubic function P(x)=0 with roots a, b and c have the form of:
P(x)=x^3-(a+b+c)x^2+(ab+ac+bc)x-abc
???
ethanol as a fuel would result in decrease in the reliance on crude oil for fuel which allows the minimal crude oil remains to be used for the petrochemical industry.
hey annabackwards,
yeh exactly thats what i was thinking except the back of the book doesnt like it
yeh im pretty sure ive looked at the right answers, ive looked close to 100 times lol
maybe the book is wrong
anyway, ill just have to ask my teacher when i go back to school.
thanks for the...
I need help on this physics question on motion, got to do with an elevator. Is very confusing:
A physics teacher decides, just for fun, to use bathroom scales (calibrated in newtons) in an elevator. The scale provide a measure of the force with which they push up on the teacher. When the lift...
hey people, school certificate is coming up soon. Im having a little bit of a problem with science topic compounds nd reactions knowing the different formulas and word equations. Also things like precipitation, neutralization, combustion etc. Have no clue. Maths isnt a problem so i should know...