Polynomial Zeros and Factors

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = x³ + 2x² - 6x + 8

• ±1, 8

• ±1, 2, 4, 8

• ±1, 2, 4

• 1, 2, 4, 8

Tags

CCSS.HSA.APR.B.2

Which of the following is a COMPLETE  list of all possible Rational Zeros?
f(x) = 3x³ + 2x² - 6x + 7

• ±1, 7, 1/3, 7/3

• ±1, 7

• ±1, 3, 7, 7/3

• ±1, 3, 7, 1/3, 7/3

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

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

Tags

CCSS.HSA-REI.B.4B

Find all zeros of f(x) = 2x^3 + x^2 - 2x - 1.

• x = -1/2, -1 , 1

• x = -3, -1 , 1

• x = -1, 1/2 , 1

• x = -1, 1 , 2

Tags

CCSS.HSF-IF.C.7C

Find zeros of 3x^3 - 27x

• x = -3 and 3

• x = -1, 0, 27

• x = -3, 0, 3

• x = -3, 1, 3

Tags

CCSS.HSF-IF.C.7C

If a polynomial has 2 factors, it will have 2 zeros (or 1 zero with a multiplicity of 2).

• True

• False

Which zero will "bounce" off of/touch the x-axis for x(x - 1)²(x + 2)(x + 3)

• -1

• 1

• -2

• -3

Which zero will "bounce" off of the x-axis for x(x - 1)²(x + 2)(x + 3)

• -1

• 1

• -2

• -3

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

• x-intercept

• zero

• root

• all of these.

Tags

CCSS.HSF-IF.C.7C

• 0

• 1

• -5

• -1

Tags

CCSS.HSF-IF.C.7C