Make-up 3.1&3.2

What is the leading coefficient of the following polynomial?

5x² - 3x + 6

• 2

• -3

• 5

• 6

What is the constant of this polynomial? 2x³ - 8x² + 3x - 7

• 2

• -8

• 3

• -7

2n³ + 7n² - 2n - 7

• cannot be factored
• (n - 1)²(2n + 7)
• (n² - 1)(2n + 7)
• (n + 1)(n - 1)(2n + 7)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.2

CCSS.HSA.SSE.A.2

What are the roots of the following factored polynomial?

(x + 1)(x - 1)(2x + 1)=0

• x= -1/2, -1, 1

• x= 1/2, -1, 1

• x = - ± 1

• x= 1/2, 1

Tags

CCSS.HSF-IF.C.7C

Factor completely: 
3x² + 18x +15
Hint: Factor GCF first.

• 3(x² + 6x + 5)
• (x + 5)(x + 1)
• 3(x + 5)(x + 1)
• Prime

Factor by grouping

x³ - 4x² - 4x + 16

• (x + 4)(x + 2)

• (x - 4)(x - 2)(x + 2)

• (x + 4)(x² + 4)

• (x - 4)(x - 2)

Factor Completely: x²-17x+72

• (x-9)(x+8)
• (x-9)(x-8)
• x(x-3)
• (x+9)(x+8)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Solve by factoring.
k² + 8k + 12 = 0

• -2, 2
• -2, 4
• -2, -6
• 2, 3

Tags

CCSS.HSA-REI.B.4B

Write 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

Write the polynomial in standard form given the following zeros. x = -2, 1, 4

• f(x) = (x+2)(x-1)(x-4)

• f(x) =x³ - 3x² - 6x + 8

• f(x) = x³ + 8

• f(x) = x³ - 3x² + 8

Tags

CCSS.HSA.APR.B.3