40 50.03.50.4yy x = 50 L; y = 50 L 0 3.06.00 x + 50 3

.40 50

.03

.50 .4y y

x = 50 L; y = 50 L

0 3 .06

.00 x + 50

3

.3 50 3x

50gal

40 mL of A, 60 mL of B

43.75 gal

80L of 30%, 120 L of 50%

.3

.5200 .42

x .3 .3xy .5 .5y

200 .42 84

200x y

.3 x .5 84y 200 y

60 .3 .5 84y y

.2 24y 120y

120

80x

100L of 28%, 200 L of 40%

x .28 .28xy .4 .4y

300 .36 84

100kg Brazilian; 200 kg Turkish

6kg cashews; 4 kg pecans

c 8 8cp 9 9p

10 8.40 84

590

10@120, 5@$150

1770

Divide a polynomial by a monomial

• Divide each term by the monomial• (6x2 + 3x – 2) 3

3

2

3

3

3

6 2

xx

3

22 2 xx

Divide:

2

564 2 xx

2

532 2 xx

Divide:

x

xxx

2

462 23

232 xx

Divide a polynomial by a polynomial

(x2 + 5x + 6) (x + 2)• Use long division

5 391 652 2 xxx

21 3 2x x x

Divide: x2 + 3x +2 by x + 1

2

2 1 3 2x

x x x

21 1x x x

Divide: x2 + x + 1 by x + 1

1xx

23 2 12x x x

Divide: x2 + 2x - 12 by x - 3

35

3x

x

922 2 xxx

(x2 + 2x - 9) (x - 2)

14

2x

x

31 1x x 2+0x +0x

(x3 + 1) (x + 1)

2 1x x

1001 23 xxxx

(x3 – 1) (x -1)

2 1x x

21 5 2 3x x x

(5x2 – 2x - 3) (x -1)

5 3x

Assignment:

Page 4672 – 28 (even)