Curriculum placement
Algebra 1. This describes the skill, not a learner estimate.
Solving absolute-value equations
Solve absolute-value equations and interpret complete real solution sets
Problem types
- Write an absolute value equation from a situation
- Enter an absolute-value solution
- Solve an absolute-value equation
- Solve an absolute-value equation with a linear expression
- Isolate and solve an absolute-value expression
- Find where an absolute-value function equals a steeper linear function
- Find where an absolute-value function equals a linear function
Builds on
Leads to
- Piecewise and absolute-value functions · Extend the idea
The absolute value function is defined by one rule for inputs at least zero and another rule for negative inputs.
- Shifts, stretches, and reflections of graphs · Extend the idea
The graph of an absolute value equation is a V-shape shifted by the transformation of the expression inside.
Related skills
- Distance and midpoints in the complex plane · Related idea
Absolute value is distance, and the modulus of a difference of two complex numbers is the distance between them in the plane.
- Solving inequalities · Shared foundations
- Supplementary, vertical, and adjacent angles · Shared foundations
- Simplifying complex fractions · Shared foundations
- Laws of exponents · Shared foundations
Open the interactive map to explore lessons and skill connections.