Question

Help help help ! Final review part 3

Answer 1

• B) x³ - 6x² - 15x + 100

Explanation:

Given

1. Zero at 5 (multiplicity of 2)
2. Zero at -4

Factors to form the Polynomial

• (x - 5)(x - 5)(x - 4)

Standard Form (on multiplying)

• (x - 5)(x - 5)(x + 4)
• (x² - 10x + 25)(x + 4)
• x³ - 10x² + 25x + 4x² - 40x + 100
• x³ - 6x² - 15x + 100

Answer 2

B

Explanation:

because in this question

ABCD are exactly the same formula

but only B is the standard form