Rational Expressions Practice

When dividing rational expressions, we need to remember to...

• label opposite, hypotenuse, and adjacent

• only use factor by grouping

• multiply by the reciprocal (keep, change, flip)

• switch x and y and use reverse GEMDAS

Excluded values are found ....

• in the denominator

• in the numerator

• at the very end

• before factoring

What is the first step in adding or subtracting expressions with unlike bases?

• Make the denominators the same by finding the LCD

• Combine like terms

• Simplify each expression separately

• Multiply the numerators