Question

What polynomial has roots of -5, -4, and 1 ? (2 points)
A) x3 - 8x2 - 11x + 20
B) x3 - x2 + 22x + 40
C) x3 + x2 - 22x - 40
D) x3 + 8x2 + 11x - 20

Answer 1

roots of an equations are the number(s) that make the equation 0
so just substitute ur roots and see which of the eqs given becomes zero at those points

Answer 2

can i have the answer because i don't know if it's right...i thought it was c

Answer 3

no u can't have the answer....
try them one by one