PCPREP- TOPICS 1&2: Factoring + Solving Polynomials

Factor:
2n³+16n+12

• 2n(n³+24n+6)
• 2(n³+8n+6)
• 2n(n³+8n+6)
• 3(n³+8n+6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor:
x² - 9

• ( x -9) (x - 9)
• (x + 3) (x + 3)
• (x + 3) (x - 3)
• ( x + 9) (x-9)

Tags

CCSS.HSA.APR.C.4

Find the factors of

x² + x - 6

• (x - 6)(x - 9)

• (x + 3)(x + 2)

• (x + 3)(x - 2)

• (x + 2)(x + 4)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.APR.B.3

Factor by grouping:
5n³-10n²+3n-6

• (5n²+3)(n-2)
• (5n²-3)(n-2)
• (5n³+3)(n-2)
• 10n(n²-6)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSA.APR.A.1

Factor (using Rainbow)

3a² + 4a + 1

• (7a-10)(a-8)

• Not factorable

• (3a+1)(a+1)

• (3a-1)(a-1)

How many distinct zeros could this function have? (Hint: What is the degree?)

2x² - 5

• 1

• 2

• 3

• 4

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

Which root has a multiplicity of 2?

• 1

• -4

• -1

• 2

How would you describe the end behavior of the following function?

f(x) = 3x² + 5x - 9

• UP and UP

• DOWN and DOWN

• UP and DOWN

• DOWN and UP

Is the graph an even, odd, or neither function?

• Even
• Odd
• Neither

Tags

CCSS.HSF.BF.B.3