Polynomial Quiz 1

What is the equation in factored form of this graph?

• f(x) = (x-4)(x-1)²(x+2)(x+4)
• f(x) = (x-4)(x+1)²(x+2)(x+4)
• f(x) = (x-4)(x-1)²(x-2)(x+4)
• f(x) = (x+4)(x+1)²(x-2)(x-4)

Tags

CCSS.HSA.APR.B.3

How many real zeros does the function have?

• None
• 2
• 3
• 4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

In which two functions can you quickly find the x-intercepts of their graphs?  Select two!

• $y=3x^2-2$

• $y=6x^3+3x^2-2x+5$

• $y=2x(x-4)(x+1)$

• $y=-3(x+1)(x-5)$

What can conveniently be determined by the factors of a polynomial in factored form?

• y-intercept

• x-intercepts

• shape of the curve

• degree of the polynomial

Which of the following is NOT a solution to the polynomial function?
 $f(x)=3x(x-8)(2x+1)^2$  

• 0

• -1/2

• 1/2

• 8

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

•  $y=x^2+x-3$  

•  $y=x-2$  

•  $y=x^2-2x-2$  

•  $y=x^2-2x-3$  

How many real zeros does this function have?

• 7

• 6

• 5

• 4

How many zeros does the polynomial function
 P(x) = 3x⁴+4x-8 have?

• 1
• 2
• 3
• 4

Tags

CCSS.HSA.APR.B.3

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

• x-intercept

• zero

• root

• all of these.

Tags

CCSS.HSF-IF.C.7C

The degree of the polynomial determines the max number of roots.

• True

• False

Tags

CCSS.HSN.CN.C.9