Solving polynomials

Solve x² + x – 72 = 0.

• x = -8

• x = -8 or x = 9

• x = 8 or x = -9

• x = 9

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve the equation by factoring:

n²+11n +30 = 0

• x = -6, -5

• x = 6, 5

• x = 2, 15

• x = -2, -15

Tags

CCSS.HSA.REI.B.4

CCSS.HSA.SSE.A.2

Solve b²+25b=0

• b= 0 and b = 25

• b= 0 and b= -25

• b= -5 and b= 5

• b=5 an b=-2.5

Factor Completely:

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.B.2

CCSS.HSA.APR.B.3

CCSS.HSA.SSE.A.2

Factor completely:
2x³ + 5x² - 8x - 20

• (x² - 4)(2x + 5)
• (2x - 5)(x² + 4)
• (2x² - 4)(x + 5)
• (x - 2)(x + 2)(2x + 5)

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Factor: x² - 169 

• ( x - 13) ( x + 13) 
• ( x + 13) ( x + 13) 
• ( x - 13) ( x -13) 
• x - 13x + 13

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What are the remaining factors for

(x³ +x² -17x +15) if (x -1) is a factor?

• (x-1) (x+5) (x-3)

• (x-1) (x+5) (x + 3)

• (x+1) (x+5) (x-3)

• (x+1) (x-5) (x-3)

Write x³ + 9x² + 18x in factored form

• x(x + 6)(x + 3)

• x(x + 9)(x + 2)

• x(x + 6)

• x(x - 6)(x - 3)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

What is the GCF in 3x³ + 15x² + 30x

• 3

• 3x

• 5

• x

Tags

CCSS.6.NS.B.4

Is (x-1) a factor of f(x)= x³-8x²+14x-4?

• Yes, (x-1) is a factor. There is a remainder.

• No, (x-1) is not a factor. The remainder is zero.

• Yes, (x-1) is a factor. The remainder is zero.

• No, (x-1) is not a factor. There is a remainder.

Tags

CCSS.HSA.APR.B.2