Unit 2Unit 2A-APR 6A-APR 6

Long DivisionLong Division

Divide using polynomial Divide using polynomial long divisionlong division

Long Division Think back to Long Division Think back to Elementary School…..Elementary School…..

DivideDivide

Review Long Division Review Long Division w/ Polynomialsw/ Polynomials

3 22 6 19 16 4x x x x 1. What do you mulitiply x by to get 6x cubed?

6x squared

26x

2. Multiply 6x squared to the x and the -2

3 26 12x x

3. Subtract –change the signs on the second polynomial

__________________________

27x

4. Bring down the next term.

16x

5. Repeat steps similar to 1 through 4

7x

27 14x x

______________________

2x 4

2

2 4x ____________

0

Divide using Long DivisionDivide using Long Division

• Divide f (x) = x3 + 5x2 – 7x + 2 by x – 2.

Divide using Long DivisionDivide using Long Division

x + 1 5x3 + 2x2 + 4x – 6)

Divide using polynomial Divide using polynomial long divisionlong division

Use long division to divide Use long division to divide the following polynomials.the following polynomials.

4 23 10 2 4x x x x

3 23 1x x x 1

3x

Reminder: Leave a blank for any missing exponential term

This problem has a remainder!! Write the remainder as a fractional part of the divisor.

3No termx

Divide using polynomial Divide using polynomial long divisionlong division