Week25 Day3 zeros and radical equations

• Evaluate the function for the vertex, located halfway between the zeros.

• Factor the polynomial expression to find the zeros.

• Substitute x = 0 in f(x) to find the y-intercept.

• Draw a straight line through the y-intercept and the vertex.

• Draw a curve through the points.

• (-0.5, 9)

• (0.5, 9)

• (-0.25, 8)

• None of the above

• x + 4

• x + 6

• x - 1

• x + 2

• x - 3

• 1.5

• 2

• -3

• -1.5

• 3

What are the zeros and their multiplicities for the function shown in the graph?

• A. -1.5, 0.5, and 2, each with multiplicity 1

• B. -1.5 and 0.5, each with multiplicity 1, and 2, with multiplicity 2

• C. -0.5 and 1.5, each with multiplicity 2

• D. -3, with multiplicity 4

Which of the polynomials has x - 3 as a factor?

Which of the following polynomial functions has 3 as a zero? Choose all that apply.

• f(x) = (x + 1)(x + 3)

• -1

• -1/3

• 0

• 1/3

• 1

Which of the following polynomials has x + 4 as a factor?