Polynomial Roots and Writing

Find all zeros:
ƒ(x) = x(5x + 1)(x - 4)

• x = 0, -1, 4
• x = 0, -5, 4
• x = 0, -⅕, 4
• x = 0, ⅕, -4

Tags

CCSS.HSF-IF.C.7C

Find all zeros:
ƒ(x) = x(2x + 1)(x - 2)

• x = 0, -½, 2
• x = 0, ½, 2
• x = 0, -½, -2
• x = 0, -2, 2

Tags

CCSS.HSF-IF.C.7C

Identify the zeros

• x=2, x=6, x=-4
• (x+2)(x+6)(x-4)
• (x-2)(x-6)(x+4)
• x=-2, x=-6, x=4

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.APR.B.2

State the zeros of the polynomial (include multiplicity):
f(x) = (x²+9)(x -1)³(2x + 5)

• -9, 1, -5
• -9, 1 (multiplicity of 3), -5
• ± 3i , 1 (multiplicity of 3), -5∕2
• ± 3i, 1, -5

Tags

CCSS.HSF-IF.C.7C

f(x)= x²(x – 2)³(x – 7)

Find and select each real zero and its multiplicity

• 0 (Mult of 2), 2 (Mult of 3), 7 (mult 1)
• 2 (Mult of 3), 7 (mult 1)
• 0, 2, 7
• 2 (mult of 2), 7 (mult of 3)

Tags

CCSS.HSF-IF.C.7C

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

What is the degree of this function?

• 4
• 5
• 6
• 7

Which equation is the polynomial in factored form?

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

Tags

CCSS.HSA.APR.B.3

Select polynomial whose zeros and degree are given.
Zeros: – 5(multiplicity of 3), 9(multiplicity of 2), – 2, 4.

• (x + 5)³(x - 9)²(x + 2)(x - 4)
• (x + 5)³(x - 9)²(x + 2)⁷(x - 4)⁷
• (x + 5)³(x - 9)²(x + 2)
• (x + 5)(x - 9)(x + 2)(x - 4)

Tags

CCSS.HSA.APR.B.3

What is the factored form of a function if it has zeros of 2, 3 and -1?

• (x-2)(x-3)(x+1)
• (x-1)(x-2)(x-3)
• (x-1)(x+2)(x+3)
• (x+1)(x+2)(x+3)

Tags

CCSS.HSA.APR.B.3