Curriculum placement
Algebra 2. This describes the skill, not a learner estimate.
Rational equations with one denominator
Solve a rational equation with one variable denominator
Problem types
- Extraneous candidate, one denominator
- Solve with one variable denominator
Builds on
- Values a rational expression excludes
- Linear equations with variables on both sides
- Dividing fractions
- Simplifying complex fractions · Earlier idea
A fraction in a denominator is cleared by multiplying by its denominator, the same step used to solve a rational equation.
Leads to
- Solving rational equations
- Asymptotes, holes, and intercepts · See it applied
Solving a rational equation finds where the graph of a rational function takes a value.
- Linear equations from constraints · See it applied
Two workers' rates combine as reciprocals of times, so finding a shared time solves a rational equation.
Related skills
- Operations on rational expressions · Shared foundations
- Why each equation step is valid · Shared foundations
- Rearranging a formula · Shared foundations
- A graph as the solution set · Shared foundations
- Equations with one square root · Shared foundations
Open the interactive map to explore lessons and skill connections.