9.7 Graphing Quadratic Inequalities
9.7 Graphing Quadratic Inequalities
Determine whether the ordered pair is a
solution of the inequality.
2
1. y ≤ x - 2x (2,0)
2
2. y < 2x + x (1,-1)
3. y > x2 - 3x (2,-3)
4. y ≥ x2 + 5x (1,7)
Graph the following inequality.
y ≥ x2 - 2x - 3
9.7 Graphing Quadratic Inequalities
Graph the following inequality.
y < -x2 - 4x - 4
Which inequality matches the graph?
2
a) y > 2x - x - 4
b) y ≥ 2x2 - x - 4
c) y ≤ 2x2 - x - 4
d) y < 2x2 - x - 4
e) y < -2x2 - x - 4