Simplifying Rational Expressions

Simplifying Rational Expressions

How do I simplify (or reduce) rational expressions?

​What is a rational expression?

​A rational expression is the quotient of two polynomials.

Multiple Choice

State the excluded values.

$$\frac{4}{4p+20}$$  

• -5

• -8/7

• No excluded values

• 0, -3

Multiple Choice

State the excluded values.

$$\frac{x-7}{4x-28}$$  

• 1, -2

• 0,-2

• 9

• 7

Multiple Choice

State the excluded values.

$$\frac{a+7}{a^2+4a-21}$$  

• 3, -7

• 9

• 9, 3

• -5/2

​Simplify the rational expression. State the excluded values.

Multiple Choice

Simplify the rational expression.

Multiple Choice

Simplify the rational expression.

​Simplify the rational expression. State the excluded values.

​Simplify the rational expression. State the excluded values.

Multiple Choice

Simplify the rational expression and state the excluded values.

Multiple Choice

Simplify the rational expression.

Multiple Choice

Simplify the rational expression.