Polynomials 2 - Graphing Polys

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 are the possible rational roots for the polynomial
x³+ 10x²- 35x + 22

• 1, 2, 11, 22
• 1, -1, 2, -2
• 1, -1, 2, -2, 11, -11, 22, -22
• 1, 2

The polynomial
f(x) = 5x⁴ + 2x³ + 2x − 7 can have, at most, how many solutions?

• 5
• 4
• 3
• 2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.11

What does multiplicity mean in terms of the roots of an equations?

• To clone a polynomial
• How many times a particular number is a zero for a given polynomial.
• how many times a polynomial function crosses the x-axis
• how many end behaviors a polynomial has

Tags

CCSS.HSF-IF.C.7C

What are the roots of the polynomial function?
y = (x + 2)(x - 7)³

• -2, 7 multiplicity 3
• -2, 7, 3
• 2, -7 multiplicity 3
• 2, -7, 3

Tags

CCSS.HSF-IF.C.7C

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

• x = 0, 3, 2
• x = 0, -3 (multiplicity of 2), 2
• -3, 2
• 0, 2 (multiplicity of 3)

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.HSF-IF.C.7C

State the range.

• (-∞, ∞)
• [-∞, ∞]
• (0, ∞]
• [0, ∞)

State the domain.

• (-∞, ∞)
• [-∞, ∞]
• (0, ∞]
• [0, ∞)

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.HSA.APR.B.3

CCSS.HSA.APR.B.2