Question

I should be able to figure the rest of these out after I do this one... Find the polynomial function with roots 1, –2, and 5.

Answer 1

@phi

Answer 2

Polynomial is product of algebraic terms of form (x-y) where y is a root of the polynomial :)
hope you got the answer!

Answer 3

I think I have the right answer but I'm not sure.

Answer 4

(x-1)(x+2)(x-5)

Answer 5

the roots means
x= 1, x= –2, and x= 5.
or
(x-1)=0
x+2= 0
x-5 = 0 (by solving each simple equation)
now multiply all three together
(x-1)(x+2)(x-5)=0

Answer 6

that's how I did it

Answer 7

it just seems to simple... I couldn't tell if I skipped a difficult step

Answer 8

they may want you to multiply it out so it is in standard form... which is a pain

Answer 9

is it f(x)=x^3-4x^2-7x+10?

Answer 10

yes,

Answer 11

What's multiplicity?

Answer 12

@phi

Answer 13

"Find the polynomial function with roots 1, 7, and –3 of multiplicity 2."

Answer 14

I understand the roots part