Algebra
Interval Notation Calculator
Convert simple inequalities and interval unions into clear notation.
Find roots, simplify relationships, and solve equations.
Convert simple inequalities and interval unions into clear notation.
Find domain exclusions, holes, intercepts, and asymptotes for quadratic ratios.
Find real polynomial roots through degree 6, plus quadratic complex roots.
Find a quadratic vertex, roots, axis, focus, and directrix.
Solve three linear equations and identify inconsistent or dependent systems.
Expand f(g(x)) or g(f(x)) for polynomial inputs and evaluate a point.
Test whether a relation is a function and list its domain and range.
Try a shorter phrase or clear the category and bookmark filters.