Find Zeros Algebra

Use the Fundamental Theorem of Algebra to determine the total number of roots.

• A

• B

• C

• D

Tags

CCSS.HSN.CN.C.9

Find all the real zeros of the function f(x) = 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

What are the zeros of f(x) = x²+9x+14

• 2, 7

• -2, -7

• 2, -7

• -2, 7

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

Identify the zeros of f(x) = x²-36 .

• 4, -9

• 6, -6

• 18, -18

• 36, -36

Tags

CCSS.HSA-SSE.B.3B

CCSS.HSF-IF.C.8A

What are the zeros of f(x) = m²-9m+20?

• 4, 5

• -4, -5

• 2, 10

• -2, -10

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 zeros, one factor has been given.

f(x) = x³-3x²-x+3; (x-3)

• 2,4,3

• -1,1,3

• 3,2,1

• 4,5,6

Tags

CCSS.HSA.APR.B.2

Find all solutions, one factor has been given. f(x) =x³-3x²-25x+75; (x-5)

• 5,-3,5

• 5,5,5

• 3,-5,5

• 1,1,1

Tags

CCSS.HSA.APR.B.2

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.HSF-IF.C.7C

What is another word for zeros?

• solutions

• x -intercepts

• roots

• All of the these!

Tags

CCSS.HSF-IF.C.7C