Polynomial Functions Review

What is the y-intercept of the function graphed?

• (0, -4)

• (-1, 0)

• (0, 4)

• (2, 0)

Which of the following is NOT an x-intercept?

• (-1, 0)

• (2, 0)

• (4, 0)

• (0, -4)

Which of the following statements is FALSE!

• There is a relative maximum at (-1, 0).

• There is a relative maximum at (3.5, 4.2).

• There is a relative minimum at (0, -4).

• There is a relative minimum at (2, 0).

Match each x-intercept with it's multiplicity.

• 2

• (0, -4)

• 3

• (-1, 0)

• This is not an x-intercept.

• (4, 0)

• 1

• (2, 0)

What is the end behavior for this function?

• as x→∞, y→∞;

  as x→-∞, y→∞

• as x→∞, y→-∞;

  as x→-∞, y→-∞

• as x→∞, y→∞;

  as x→-∞, y→-∞

• as x→∞, y→-∞;

  as x→-∞, y→∞

• 3

• The degree and

  max # of real zeroes is ____.

• 5

• leading coefficient

• 2

• max number of turning points

• Take out a GCF.

• Use synthetic division to test one of the possible rational roots.

• Use the quadratic formula.

• Factor the polynomial.

• 0

• 1

• -1

• -5

• Evaluate the expression to find the last two roots.

• Plug a=5, b=-26, and c=5 into the quadratic formula.