Practice Page
Directions: Answer these questions pertaining to polynomial functions. Choose the best answer. The cartoon "comments" may, or may not, be helpful!

1.
Given: P(x) = x2 + 2x - 24
Find the zeros of this polynomial function.
graphfaccartoon1
       Choose:
 
x = +6, x = -4
x = +3, x = -8
  x = +4, x = -6 x = -3, x = 8

 

 

2.
A polynomial function is defined to be
f (x) = (x + 3)(x - 2)2.
Find the zeros of this polynomial function.
grapolycartoon2
Choose:
{-2, +2, 3}
{-3, -2, +2} {-3, -2} {-3, +2}

 

 

3.
Given: P(x) = x3 + 6x2 + 8x
Which choice shows the zeros of this polynomial function?
Choose:
x = 0, -2, -4
 x = 0, 2, -4
x = 0, 2, 4 x = 0, -2, 4

 

 

4.
Given: P(x) = x(2x - 1)(x + 1)
Which choice shows the zeros of this polynomial function?
graphpolycartoon3
Choose:
{-1. 0, ½}
{-1, ½}
{-½, 0, 1}
{-½, 1}

 

 

5.
Given: P(x) = (x - 1)(x2 - 9)
Which choice shows the zeros of this polynomial function?
       Choose:
 
{-1, 9}
{-3, 1, 3}
{1, 9}
  {1, 3}



6.
If a polynomial function has zeros at x = 3 and
x =-6, which choice is possible for the polynomial expression?
graphpolycartoon4a
Choose:
x2 - 3x - 18
x2 + 7x - 18
x2 + 3x - 18
x2 - 9x - 18

 

 

7.
Which of the following polynomial functions will have repeated zeros?

Choose:
P(x) = x2 - 6x + 8
P(x) = x2 - 16
P(x) = x2 + 6x - 16
P(x) = x2 - 8x + 16

 

 

8.
Find the zeros of the equation
(4x - 1)(x + 3) = 0

Choose:
{-3, -¼}
{-3, ¼}
{-¼, 3}
{-3, 1}

 

 

9.
What are the zeros of P(x) = (x + 2)2 - 25 ?

Choose:
{-2. 5}
{-3, 7}
{-5, 2}
{-7, 3}

 

 

10.
Which polynomial function has zeros that are
{-3, 0, 4}?
Choose:
P(x) =(x + 3)(x - 4)
P(x) =(x - 3)(x + 4)
P(x) = x(x + 3)(x - 4)
P(x) = x(x - 3)(x + 4)




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