Graphing functions

How many zeroes are shown in the graph?

• 1

• 2

• 3

• 4

Leading Coefficient

• When the degree of the polynomial is even, the ends of the graph go in the same direction.

• is the number in front of

  the term with the highest exponent in the polynomial.  

• An odd degree polynomial must have at least one real zero.

• It is possible for an even degree polynomial to have no real zeros.

Which root has even multiplicity?

Hint: what does the graph do at a zero with even multipliticty? Its a ________ point!

• 1

• -4

• -1

• 2

In,
 $(x+5)(x-17)(x+4)$  

Which of these of these intervals are positive?

This is NOT multiple choice.

• x < -5

• -4 > x > -5

• 17 > x > -4

• x > 17

Which of the following equations could be the equation to the following graph:

• $y=5x^3-2x+7$

• $y=-2x^3-4x+10$

• $y=5x^4-8x+7$

• $y=-2x^4-8x+7$

• 
• 
• 
• 

On what interval is the function DECREASING?

• (0, -∞ )
• (0, ∞ )
• (4, -∞ )
• (-∞ , ∞ )

What are the "zeros" of this polynomial?

• -2, -1

• -2, -1, 0, 1, 2

• -2, -1, 1, 2

• -2, -1, 4, 1, 2

Which of the following is the graph of a polynomial with a

negative leading coefficient?

• 
• 
• 
• 

End Behavior: Which notation represent the graph going up?

• y →-∞

• y →∞

• x →∞

• None of these.