Algebra II 7.4

What is the degree of the function graphed here?

• 2
• 3
• 4
• 5

Is the leading coefficient positive or negative

• positive
• negative

Which function is graphed?

• (x - 4)(x + 2)(x - 8)=0
• (x - 4)(x - 2)(x + 8)=0
• (x - 4)(x + 2)(x + 8)=0
• (x + 4)(x + 2)(x + 8)=0

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

• 2; ∞,-∞
• 3; ∞,∞
• 4; ∞,∞
• 6; ∞,∞

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

• 4
• 7
• 2
• 1

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

• -∞
  -∞
• +∞
  -∞
• -∞
  +∞
• +∞
  +∞

What is the leading coefficient?

• Positive 
• Negative
• Odd 
• Even

What is the maximum of this graph?

• -3

• 2

• -1

• 4

The degree of this function is...

• Even

• Odd

The degree and the sign of the leading coefficient (positive or negative) of a polynomial determines the behavior of the ends for the graph.  
Enter the polynomial function into a graphing calculator or online graphing tool to determine the end behavior.
f(x) = 2x³ - x + 5

• Left up    Right up
• Left up   Right down
• Left down   Right up
• Left down   Right down