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Warm Up

Warm Up. When he was five years old, the boy scribbled on the bedroom wall with a permanent marker, leaving an ------- mark that would still be there even after he grew up and moved away. interchangeable (B ) indelible (C ) Ostensible (D ) eradicable (E ) untenable. Algebra 3.

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Warm Up

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  1. Warm Up When he was five years old, the boy scribbled on the bedroom wall with a permanent marker, leaving an ------- mark that would still be there even after he grew up and moved away. • interchangeable (B) indelible (C) Ostensible (D) eradicable (E) untenable

  2. Algebra 3 Chapter 5 Lesson 7 Graphing and Solving Quadratic Inequalities

  3. VOCAB • Inequality – is not equal to ( < > ≤ ≥ )

  4. WARNING • WARNING • WARNING • WARNING • Pay attention today…because you CAN NOT do tomorrow’s lesson without understanding todays.

  5. Directions (Graphing Inequalities) • Graph the same way we did in 5.1 • Find the vertex • Find the x-intercepts • If its equal to then the line is solid • If its NOT equal to then the line is dotted • Then pick a point not on the graph • If its true shade where the point is • If its false shade where the point isn’t

  6. I DO (Graphing Inequalities) Graph the quadratic inequality • 1. • 2. • 3. • 4.

  7. WE DO (Graphing Inequalities) Graph the quadratic inequality • 1. • 2. • 3. • 4.

  8. YOU DO (Graphing Inequalities) Graph the quadratic inequality • 1. • 2. • 3. • 4.

  9. Review • Today you learned how to graph quadratic inequalities • Tomorrow you will learn how to graph systems of quadratic inequalities

  10. Homework • 5.7 • Practice B (5 - 16) • DUE Thurs.

  11. Warm Up

  12. 5.7 • GRAPHING QUADRATIC SYSTEMS OF INEQUALITIES

  13. DIRECTIONS • Graph both inequalities • UR answer is where they are both shaded

  14. I DO (Graphing Systems of Inequalities) Graph the quadratic inequality • 1. 2. • 3. 4.

  15. WE DO (Graphing Systems of Inequalities) Graph the quadratic inequality • 1. 2. • 3. 4.

  16. YOU DO (Graphing Systems of Inequalities) Graph the quadratic inequality • 1. 2. • 3. 4.

  17. REVIEW • What did you learn to do today?

  18. HOMEWORK • 5.7 • Practice B (17 – 22)

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