Solving+quadratic+inequalities+by+using+a+number+line;+how+does+this+reflect+what+we+know+about+graphs+of+quadratic+functions?Set+6

Solve by creating a number line (Julia Spandorfer):

1. x² - x - 12 > 0

2. x² - 2x - 8 < 0

3. x² + 7x ≥ 18