Loading in 5 sec....

Ch 11.3 Multiplying Rational ExpressionsPowerPoint Presentation

Ch 11.3 Multiplying Rational Expressions

- By
**scott** - Follow User

- 75 Views
- Uploaded on

Download Presentation
## PowerPoint Slideshow about ' Ch 11.3 Multiplying Rational Expressions' - scott

**An Image/Link below is provided (as is) to download presentation**

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript

Definitions

Rational Expression:

A fraction containing a variable.

Restricted Value:

A number that cannot be a value for the variable. The denominator cannot be 0. A square root cannot be negative.

- MultiplyACROSS
- FACTOR
- CANCEL common factors
- Find Restricted values

Denominator cannot be 0

Set each denominator unequal to 0 and solve for the variable

This value is Restricted

≠ 0

≠ 0

≠ 0

x – 5

x + 3

x − 1

x ≠ 5

x ≠ -3

x ≠ 1

2x

33y

3y

=

Example 1

=

5

3

25x

Restricted values:

x ≠ 0

Example 2

(x + 1)(x − 3)

x + 1

(x + 3)(x − 4)

=

=

x + 2

(x + 3)(x − 3)

(x − 4)(x + 2)

Restricted values:

x ≠ {-3, 3, 4, -2}

3xx

(x + 2)(x − 2)

=

Example 3

3x

x + 2

x (x − 2)

x2 − 2x

=

=

1

Restricted values:

x = {0, -2}

Example 4

-1

(x − 1)(x − 1)

3(x + 1)(x − 5)

-1(x − 5)

=

=

3(x + 1) (x − 1)

(1 − x)

5 − x

=

Restricted values:

x = {-1, 1}

Download Presentation

Connecting to Server..