Review Graphs of Polynomials

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

• x-intercept

• zero

• root

• all of these.

What is the leading coefficient?

• Positive

• Negative

• Odd

• Even

What is the degree and end behaviors of the function behind this text? (As x−>∞, as x−>-∞, as usual...)

• 2; ∞,-∞

• 3; ∞,∞

• 4; ∞,∞

• 6; ∞,∞

Match the graph to the function

• f(x) = -x⁴-x³+5x²-6

• f(x) = x⁴+3x²-3x+1

• f(x) = -x³+2x²-x-6

• f(x) = x⁴+x³+5x²-6

What is the leading coefficient?

• Positive 

• Negative

• Odd 

• Even

What is the degree of the above polynomial graph?

• 3

• 4

• 5

• 6

What is the degree of the above graph?

• 3

• 4

• 5

• 6

In the above graph, which root has a multiplicity of 2?

• -1

• -4

• 2

• 4

In the above graph complete the following end behavior:
As x --> -∞, f(x) --> ____
As x --> +∞, f(x) --> ____

• -∞
  -∞

• +∞
  -∞

• -∞
  +∞

• +∞
  +∞

What is the number of non-real complex roots in the above polynomial graph?

• 2

• 3

• 4

• 5