1. Algebra 1B – Name: _________________________
Unit 4B Review Date: __________________________
Section 1 – Graph each linear inequality. Show a correct test point for each of the shaded regions.
y < 2x + 1
True Test Point
y ≥ - ¾x + 2
True Test Point
-3x + y > 4
True Test Point
2x – y ≥ 4
True Test Point

2. y > -2x + 2 y £ 1 x + y < 4 x + y ≥ -2
Section 2 – Solve each system of linear inequalities. Show a true test point in the solution area.
y > -2x + 2
y £ 1
True Test Point
x + y < 4
x + y ≥ -2
True Test Point

3. 2x + y > 2 6x + 3y < 12 -2x – 2y < 6 x – y < 4
Section 2 – Solve each system of linear inequalities. Show a true test point in the solution area.
2x + y > 2
6x + 3y < 12
True Test Point
-2x – 2y < 6
x – y < 4
True Test Point

4. Find the graph that matches
the system of linear
inequalities.
y > -x
y ≥ x