Multiplying Dividing Adding Subtracting Rational Expressions

Simplify 

• (x+7)/(x-4)

• -3/4

• (x+3)/(x+4)

• (x+3)/(x-4)

Divide and Simplify

• A

• B

• C

• D

When adding and subtracting rational expressions, my first step should be to:

• Combine like terms in the numerators.

• Determine a Least Common Denominator.

• Factor all of the numerators and all of the denominators.

• Change the operator to multiplication and reciprocate the second fraction.

My first step will be to change the operator to multiplication and reciprocate the second fraction when...

• Adding

• Subtracting

• Multiplying

• Dividing

Perform the operation

• A

• B

• C

• D

Dividing rational expressions -

• to add two rational expressions, make sure the denominators are the same

• to divide two rational expressions, multiply by the reciprocal of the division

• an equation that contains rational expressions

Simplify

• (x-9)/(x+9)

• 1/(x-9)

• (x+9)

• 1/(x+9)

Multiply and Simplify

• (n-10)/8n+56

• (n-10)(n+7)/8n+56

• (n-10)/8

• (n+10)/8

• A
• B
• C

• A
• B
• C