Roots of Polynomials & Real Life Graphs

What are the zeros of the function?

• 4,1
• 3,1,-2,-5
• -3, -1, 2, 5
• -2,4

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the polynomial function?
y = x(x - 6)(x + 5)

• 0, 6, -5
• 6, -5
• 0, -6, 5
• 1, -6, 5

Tags

CCSS.HSF-IF.C.7C

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

Tags

CCSS.HSA.APR.B.3

What are the
zeros of the polynomial
y = (x + 4)(x + 1)(x - 3)?

• -4, -1, 3
• 3, -3, 4, 1
• 4, 1, -3
• 3, -4, -1, 3

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Determine the roots of the polynomial. 
f(x) = -x(x+1)(x-3)

• -1, 3
• 0, -1, 3
• 1, -3
• 0, -3, 1

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

Which point does not represent a zero of a polynomial?

• (-2, 0)
• (-1, 0)
• (0, 4)
• (2, 0)

Tags

CCSS.HSA.APR.B.2

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.HSA.APR.B.3

Find the zeros.

• x = 0 and 4
• x = 0 and -4
• x = 0
• x = -4

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Which of the following is the graph of y = –3(x – 7)(x – 5)?

• 
• 
• 
• 

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

When is the function decreasing?

• (30, 55)
• (40, 60)
• (15, 40)
• (60, -40)

Tags

CCSS.HSS.ID.C.7