What is the standard form of # y= (x + 2)(x – 4) #?
1 Answer
Dec 2, 2017
Explanation:
#"the equation of a parabola in "color(blue)"standard form"# is.
#•color(white)(x)y=ax^2+bx+c color(white)(x);a!=0#
#"expand the factors using FOIL"#
#y=x^2-4x+2x-8#
#color(white)(y)=x^2-2x-8larrcolor(blue)"in standard form"#
