Zeros of Polynomials Practice

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

Find all zeroes given a factor of (x+3).

y = 2x³ + 5x² - 6x - 9

• -1,-3,-3

• -1,-3,3/2

• 3,3,3

• -3,2/3,-1

Tags

CCSS.HSF-IF.C.7C

Find all the real zeros of the function

y = 2x³ - 19x² + 38x + 24 given that (x-4) is a factor.

• x = 1/2, -6

• x = -1/2, 6

• x = 4, -1/2, 6

• x = -4, 1/2, -6

Tags

CCSS.HSA.APR.B.2

f(x)=(x+4)(x-3)(x-2)
List the zeros for this function.

• x=-4, x=3, x=-2
• x=-4, x=3, x=2
• x=-4, x=-3, x=2
• x=4, x=3, x=2

Tags

CCSS.HSF-IF.C.7C

Find all the factors of   x³ -3x² -4x +12 given that -2 is a zero.

• (x-2) (x+2) (x+3) 
• (x-2) (x-2) (x+3)
• (x+2) (x+2) (x+3)
• (x-2) (x+2) (x-3)

Tags

CCSS.HSA.APR.B.2

Find the roots.

y = x³-3x²-x+3

• 2,4,3

• -1,1,3

• 3,2,1

• 4,5,6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

Find the zeros.

f(x) = x³-5x²-2x+24

• -2,1,0

• -2,-3,-4

• 4,3,-2

• 0,0,0

Tags

CCSS.HSF-IF.C.7C

What are the zeros of the function?

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

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

One zero of 4x³-17x²-150x-189 is 9.
What is another zero?

• 4
• 7
• -3
• -6

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

Which of the following could be the equation for the polynomial shown?

• f(x)=(x-1)(2x+1)(x-3)

• f(x)=(x-1)(2x+1)²(x-3)

• f(x)=(x-1)²(2x+1)(x-3)

• f(x)=(x-1)(2x+1)(x-3)²

• None of these would match the graph

Tags

CCSS.HSA.APR.B.3