Download Review Long Division w/ Polynomials

Unit 2
A-APR 6
Long Division
Divide using polynomial long
division
(x + x + 2) ¸ (x -1)
3
2
Long Division Think back to
Elementary School…..
12 1935
Divide
9x y - 21x y + 24xy
3xy
3 5
2
3
Review Long Division
w/ Polynomials
6x
7x 2
2
x  2 6 x  19 x  16 x  4
3
2


6
x

12
x
__________________________
3
2
7x 16x
2
7 x  14 x
2

______________________
2x  4

2x  4
____________
0
1. What do you mulitiply x
by to get 6x cubed?
6x squared
2. Multiply 6x squared to the
x and the -2
3. Subtract –change the signs
on the second polynomial
4. Bring down the next term.
5. Repeat steps similar to
1 through 4
Divide using Long Division
• Divide f (x) = x3 + 5x2 – 7x + 2 by x – 2.
Divide using Long Division
x + 1 ) 5x3 + 2x2 + 4x – 6
Divide using polynomial long
division
(x +11x + 25x - 21) ¸ (x + 7)
3
2
Use long division to divide
the following polynomials. 1
3
2
x  3 x  x  1
x3 x
4
 10 x  2 x  4
2
3
No x term
Reminder: Leave a blank for any missing
exponential term
This problem has a remainder!!
Write the remainder as a fractional
part of the divisor.
x3
Divide using polynomial long
division
(x + x + 2) ¸ (x -1)
3
2