PC - Sec. 2.2 (Day 2)

What are the zeros of the graph?

• -4 (mult 1),

  -1 (mult 1),

  2 (mult 1),

  1 multiplicity 2

• -4 (mult 1),

  -1 (mult 1),

  1 (mult 1),

  2 (mult 1)

• 4 (mult 1),

  1 (mult 1),

  -2 (mult 1),

  -1 multiplicity 2

• 4 (mult 1),

  1 (mult 1),

  -1 (mult 1),

  -2 (mult 1)

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

Identify the function that belongs to the following graph.

• f(x)=(x+2)(x+3)(x-1)

• f(x)=(x+1)(x-4)(x-2)

• f(x)=(x+2)(x-2)(x+1)

• f(x)=(x-3)(x-2)(x+1)

Tags

CCSS.HSA.APR.B.3

Select the polynomial whose zeros and degree are given by:

Zeros: – 5(multiplicity of 3), 9(multiplicity of 2), – 2, 4 Degree: 7

• (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

In the above graph, which root has a multiplicity of 2?

Remember to look at your roots, multiplicity, and end behavior!!

Use your notes!

• -1

• -3

• -120

• 4

Tags

CCSS.HSA.APR.B.3

What is the degree of the polynomial?

 $g\left(x\right)=\left(x-4\right)^2\left(x+7\right)^3$  

• 6

• 5

• 1

• 9

What is the degree of the polynomial?

 $m\left(x\right)=x\left(x+5\right)\left(x-6\right)$  

• 3

• 2

• 9

• 6

What are the zeros with multiplicities?

 $g(x)=(x+4)^2(x+8)^3(x-5)$  

• -4 multiplicity 1, -8 multiplicity 1, 5 multiplicity 3

• 4 multiplicity 2, 8 multiplicity 3, -5 multiplicity 1

• 4 multiplicity 3, 8 multiplicity 2, -5 multiplicity 1

• -4 multiplicity 2, -8 multiplicity 3, 5 multiplicity 1

Tags

CCSS.HSF-IF.C.7C

What are the zeroes with multiplicity?

 $k(x)=(x+2)^{10}(x-12)^9$  

• -2 multiplicity 9, 12 multiplicity 10

• -2 multiplicity 10, 12 multiplicity 9

• 2 multiplicity 10, -12 multiplicity 9

• 2 multiplicity 9, -12 multiplicity 10

Tags

CCSS.HSF-IF.C.7C

Which of the following is the graph of a polynomial with a

negative leading coefficient?

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