division of polynomials

Is this division problem worked correctly?

• This is correct!

• This is incorrect, and error occurs on the 2nd line!

• This is incorrect, and the error occurs on the 4th line!

• This is incorrect, and the error occurs on the 3rd line!

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

What is the remainder when you divide
 $\left(2x^3-5x-7\right)\ by\ \left(x+2\right)$  ?

• -9

• 11

• -13

• -1

What do you call the number that you divide by?

• Quotient
• Divisor
• Remainder
• Factor

Tags

CCSS.7.NS.A.2

CCSS.7.NS.A.3

(x²+4x-45)⁄(x+9) (use synthetic division)

• x+5

• -x+5

• -x-5

• x-5

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.B.3

(2x⁴-7x³+14x²-55x+21)

___________________________

(2x-7)

use synthetic division

• x²+7x-3

• 2x³+14x-6

• x²-7x+6

• 2x³+7x-3