How do you use the factor theorem to determine whether y-2 is a factor of #-4y^3 + 3y^2 – 2y + 1#?
1 Answer
May 6, 2018
Explanation:
#"by the factor theorem for a polynomial "f(x)#
#"if "x-a" is a factor then "f(a)=0#
#"evaluate for "y=2#
#rArr-4(2)^3+3(2)^2-2(2)+1#
#=-32+12-4+1=-23!=0#
#rArry-2" is not a factor of the polynomial"#
