5-1/5-2 Quiz

What is the degree of the polynomial function
P(x)=3x⁴-7x²-2x⁷-x+4?

• 4

• 7

• 2

• 1

What is another way to say "where a function crosses the x-axis"?

• x-intercept

• zero

• root

• all of these.

State the zeros of the polynomial (include multiplicity):
f(x) = x(x+3)²(x - 2)

• x = 0, 3, 2

• x = 0, -3 (multiplicity of 2), 2

• -3, 2

• 0, 2 (multiplicity of 3)

Write the cubic polynomial in factored form with 
zeros -1, 1, and 4

• (x + 1) (x - 1) (x - 4)

• x³ - 4x² - x + 4

• (x + 1) (x - 1) (x + 4)

• x³ - 4x² - x - 4

What is the y-intercept of the following cubic function?

• (1, 0)

• (0, 2)

• (-1, 0)

• (2, 0)

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

Solve for the values of x:

(x - 5)(x - 1) = 0

• (5, 0) or (1, 0)

• (-5, 0) or (-1, 0)

• (0, -5) or (0, -1)

• (0, 5) or (0, 1)