1. Review/Preview (Unit 1A) #5

2. Let’s review graphing linear inequalities

3. x y
If the inequality is ≤ or ≥ , the boundary line is solid; its points are solutions.
Example: The boundary line of the solution set of y ≤ 3x - 2 is solid. x y
If the inequality is < or >, the boundary line is dotted; its points are not solutions.
Example: The boundary line of the solution set of y < - x + 2 is dotted.
Boundary lines

4. Quadratic Inequalities EQ: How do we determine solutions of and graph quadratic inequalities?
M2 Unit 1B: Day 6
M2 Unit 1B: Day 6

5. Determine if the point is a solution to the quadratic inequality
3 < -11
(2, 3) is NOT a solution!

6. Determine if the point is a solution to the quadratic inequality

7. Quadratic Inequalities
Dashed parabola
Shade below vertex
Solid parabola
Shade below vertex
Dashed parabola
Shade above vertex
Solid parabola
Shade above vertex

8. Determine if dashed or solid Graph parabola
Steps to graph quadratic inequalities
Determine if dashed or solid
Graph parabola
Shade above or below the parabola (vertex)

9. Graph the quadratic using the axis of symmetry and vertex.
Y-intercept:
One more point:
Since ≥ the parabola is solid!
Since ≥ shade inside!

10. Since > the parabola is dashed! Since > shade inside!
Graph the quadratic using the axis of symmetry and vertex.
Vertex:
Y-intercept:
One more point:
Since > the parabola is dashed!
Since > shade inside!

11. Since < the parabola is dashed! Since < shade outside!
Graph the quadratic using the axis of symmetry and vertex.
Vertex:
Y-intercept:
One more point:
Since < the parabola is dashed!
Since < shade outside!

12. Since ≤ the parabola is solid! Since ≤ shade outside!
Graph the quadratic using the axis of symmetry and vertex.
Vertex:
Y-intercept:
One more point:
Since ≤ the parabola is solid!
Since ≤ shade outside!

13. Homework:
Pg 98 (#1-10 all, even)
14 problems
THE END

14. Review/Preview (Unit 1A) #6 *This goes with day 8
1. Solve:
2. Solve:
3. Write the expression as a complex number in standard form
4. Write the expression as a complex number in standard form
5. Write the complex number in standard form: