Multiplication & Division of Algebraic Fractions/Rational Expressions

Sessions 3-4

UNIT TEST 1 – Jan 20

Objectives:Recall basics of factoringDefine reciprocalsMultiply and simplify REDivide and simplify RE

RECALL: Multiplying rational numbers

where a, b, c, d are integers and b ≠0, d≠0.

Multiply.

Multiply.

Multiply.

Two expressions are RECIPROCALS of each

other if their product is 1.

Find the reciprocal.

Find the reciprocal.

Find the reciprocal.

TRY THIS!!!Find the reciprocal.

RECALL: Dividing rational numbers

where a, b, c, d are integers and b ≠0, c ≠0 d≠0.

Divide and simplify.

Divide and simplify.

TRY THIS!!!Divide and simplify.

nmnm

nmnm

kk

kk

yy

yy

xxx

xxxx

yyyy

yy

44.5325

9425.4

5153.349794

32352.2

12416.1

22

2

2

3

23

2

2

2

2

2

Book2Exercise 4cpage 123

nos. 1 - 11 (ODD ONLY)

Further Examples on Simplification of Algebraic

Fractions

Example 5 (page 123)

Example 5 (page 123)

Example 6 (page 124)

Example 6 (page 124)

Example

Example

Example

Example

Example

Example

Example

Example

Book2Exercise 4d, page 125

nos. 1 - 13 (ODD ONLY)

SEATWORK

Exercise 4d1)

Exercise 4d3)

Exercise 4d5)

Exercise 4d7)

Exercise 4d9)

Exercise 4d11)

Exercise 4d13)

HW # 2(BOND PAPER)

worksheet numbers 40-50

Submit on Friday (Jan 13)PRACTICE TEST ON JAN 13