Solving Quadratic Inequalities
Lessons Page | MATHguide homepage Updated August 11th, 2021


Status: Waiting for your answers.

 
Directions:Solve the following quadratic inequality (to the nearest tenth).
 
Problem:x2 + x - 20 ≥ 0
 
Factor.(x + )(x + ) ≥ 0
Set factors equal to zero.
(Find critical values.)
x + = 0 x + = 0
Solve for x.x =  x =
Write solution.x x