Inequality Solver

Solve linear and quadratic inequalities on a number line

1x² + (-1)x + (-2) > 0
Solution
x < -1 or x > 2
Solution set
(−∞, -1) ∪ (2, +∞)
Critical points
-1, 2
Discriminant (b² − 4ac)
9
Parabola
Opens upward
Number line of the solution setA number line with the values of x that satisfy the inequality shaded. Filled circles mark included endpoints, hollow circles mark excluded endpoints, and arrows show the solution continuing to infinity.-3-2-101234