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Chapter 4.9

Chapter 4.9. Standard 3103 3.9. Bellringer. 1. Graph the system of quadratic inequalities Y ≤-x²+4 Y>x²-2x-3 2. Graph Y>x²+3x-4 3. Solve using a table X²+x≤6 4. Solve by graphing 2x²+x-4≥0 5. Solve algebraically X²-2x>15. “I” do. 1. Graph the inequalities y≥2x² Y<-x²+1 2. y>-5x²

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Chapter 4.9

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  1. Chapter 4.9 Standard 3103 3.9

  2. Bellringer 1. Graph the system of quadratic inequalities Y≤-x²+4 Y>x²-2x-3 2. Graph Y>x²+3x-4 3. Solve using a table X²+x≤6 4. Solve by graphing 2x²+x-4≥0 5. Solve algebraically X²-2x>15

  3. “I” do 1. Graph the inequalities y≥2x² Y<-x²+1 2. y>-5x² Y>3x²-2 3. Solve algebraically 4x²<25 4. Solve algebraically X²+10x+9<0 5. Use table X²+2x-3>0 6. Use table X²+3x≤10

  4. “We” do 1. Graph Y≥x²-4 Y≤-2x²+7x+4 2. Y≤-x²+4x-4 Y<2x²+x-8 3. Solve using a table 2x²-6x-9≥11 4. Solve algebraically 2x²-5x-3≤0

  5. “You” do 1. Graph Y>3x²+3x-5 Y<-x²+5x+10 2. Y≥x²-3x-6 Y≥2x²+7x+6 3. Solve algebraically X²-11x≥-28 4. Use a table -X²+15x-50>0 5. Graph Y≥x²+2

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