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# April 16, 2014

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### April 16, 2014

1. 1. REVIEW & PRACTICE LAST DAY TO SUBMIT CLASS WORK TGTTLDOSFAW,WSDA
2. 2. Reminder: All Khan due by Wed. April 23 Topics: 1. Solving Quadratics by Factoring 2 2. Solving Quadratics by Taking the Square Root 3. Solving Quadratics by Completing the Square
3. 3. What is the Discriminant? The discriminant is the part of the quadratic formula under the radical. The discriminant tells you how many real number solutions there are. If... >0; then 2 solutions =0; then 1 solution <0; then no solutions
4. 4. Solutions to Quadratic Equations 1. How many solutions does the following equation have? x2 –2x+ 8 = 0 2. How many solutions does this equation have? x2 –3x = 1 3. Find the solutions to the previous equation
5. 5. Warm-Up x2 + 4x – 12 = 0 1. Find the axis of symmetry by using the quadratic formula only. 3. Solve: (4x + 3)2 = 16