Solve and factor cubic equations

What are the solutions?

• x = 0, 2, 4

• x = 0, -2, -4, 4

• x = 0, 2, -2, 4

• x = 2, -2, 4

Tags

CCSS.HSF-IF.C.7C

How many real zeros does the function have?

• None

• 2

• 3

• 4

Tags

CCSS.HSF-IF.C.7C

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)

Tags

CCSS.HSA.APR.B.2

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)

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.D.6

What are the three factors for P(x) = (x³ +x² -17x +15)?

• (x-1) (x+5) (x-3)

• (x-1) (x+5) (x + 3)

• (x+1) (x+5) (x-3)

• (x+1) (x-5) (x-3)

Tags

CCSS.HSA.APR.B.2

Decide if (x+3) is a factor of 3x³+10x²-x-12

• Yes, it is a factor!

• No, it is not a factor!

Tags

CCSS.HSA.APR.B.2

Find all zeros for the polynomial
P(x) = x³ -3x²-5x+15

• 3, √5 
• 3, √5, -√5
• -3, √5, -√5
• -3, 5i, -5i

Solve x³ -3x²-5x+15=0

• 3, √5

• 3, √5, -√5

• -3, √5, -√5

• -3, 5