Back to Perform rational expression operations — Problem 1 · Task Set 22

Exercises: Rational Expression Arithmetic (Add, Subtract, Multiply, Divide)

This is an advanced (+) topic. Work through each section in order. Factor all numerators and denominators before multiplying or dividing. State domain restrictions for all problems.

Grade 10·19 problems·~45 min·Common Core Math - HS Algebra·standard·hsa-apr-d-7

Work through problems with immediate feedback

Recall / Warm-Up

What is the domain restriction for the rational expression $\dfrac{x + 5}{x^2 - 4}$ ?

$x \neq 4$

$x \neq 2$ and $x \neq -2$

$x \neq -5$

No restriction — all real numbers are allowed