Factors and Zeros

• f(x) = (x + 2)(x − 3)²(x − 1)
• f(x) = (x − 2)(x + 1)(x + 3)²
• f(x) = (x + 2)(x − 1)(x − 3)
• f(x) = (x − 1)²(x − 3)(x + 2)

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

Solve for the values of x:
(x - 3)(x + 6) = 0

• { -3, -6 }

• { 3, -6 }

• { -3, -6 }

• { 3, 6 }

Which standard form function matches the factored form:
y = (x + 1)(x - 3)

• y = x² + x - 3

• y = x - 2

• y = x² - 2x - 2

• y = x² - 2x - 3

How many real zeros does the function have?

• None

• 2

• 3

• 4

x² - 16

• ( x - 4) ( x - 4) 

• ( x - 4) ( x + 4) 

• ( x - 8) ( x + 8) 

x² - 25

• ( x + 5 ) ( x - 5 ) 

• ( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x + 5 ) 

3x² - 75

• 3( x + 5 ) ( x - 5 ) 

• 3( x - 5 ) ( x - 5 ) 

• ( x + 5 ) ( x - 5 ) 

What does it mean to "find the zeros"?

• Finding where the graph crosses the x-axis

• Finding where the graph crosses the y-axis

• Finding the very bottom of the graph.

• Finding the very top of the graph.

What are the linear terms of the polynomial function?

• (x-2)(x-1)(x+1)(x-2)

• (x-2)(x-1)(x+1)(x+2)

• (x-2)(x-1)(x+1)(x+2)(x-4)

• (x-2)(x-1)(x+1)(x+2)(x+4)