Which second degree polynomial function has a leading coefficient of 2 and roots - 3 and 5?

a.) f (x) = 2x2 + 4x - 30

b.) f (x) = 2x2 + 2x - 15

c.) f (x) = 2x2 - 4x - 30

d.) f (x) = 2x2 - 2x - 15

Question

Mathematics

Mariam Nelson

16 May, 15:28

Which second degree polynomial function has a leading coefficient of 2 and roots - 3 and 5?

a.) f (x) = 2x2 + 4x - 30

b.) f (x) = 2x2 + 2x - 15

c.) f (x) = 2x2 - 4x - 30

d.) f (x) = 2x2 - 2x - 15

+2

Answers (2)

Know the Answer?

Jaliyah · Answer 1

From these given details result f (x) = 2 (x+3) (x-5) so

f (x) = 2 (x^2 - 5x + 3x - 15)

f (x) = 2 (x^2 - 2x - 15)

f (X) = 2x^2 - 4x - 30 so the 3rd choice is right sure

Allisson Valentine · Answer 2

Allisson Valentine 16 May, 17:59

0

C. f (x) = 2x2 - 4x - 30

Which second degree polynomial function has a leading coefficient of 2 and roots - 3 and 5?a.) f (x) = 2x2 + 4x - 30b.) f (x) = 2x2 + 2x - 15c.) f (x) = 2x2 - 4x - 30d.) f (x) = 2x2 - 2x - 15

Which second degree polynomial function has a leading coefficient of 2 and roots - 3 and 5?

a.) f (x) = 2x2 + 4x - 30

b.) f (x) = 2x2 + 2x - 15

c.) f (x) = 2x2 - 4x - 30

d.) f (x) = 2x2 - 2x - 15