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# April 14, 2014

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### April 14, 2014

1. 1. Today: 4th Quarter Begins Warm-Up/Review Complete Class Work April 14, 2014
2. 2. Notes:  Khan Academy topics posted at v6 math. Alt.Khan can get document before Wed. Both are due by the time I check on Wednesday which is ≈ 5:00 pm.  We will have a 4th quarter final. Our warm-ups this quarter will be the final exam review. It is comprehensive; keep good notes so you can prepare for the final.  Credit for classes is given on a semester basis. Even if you failed the 3rd quarter, you can still receive credit for the 2nd semester if your average grade is 63%
3. 3. Warm-Up/Review: Today’s warm-up will focus on our current unit, quadratic equations & functions. Solve: −4𝑥2 + 23x + 6 What is your strategy? What method will you use to solve? Why? Or maybe you’re thinking, “What does it mean to solve?” Completing the square would be difficult here because of the b term. The better strategy would be to try to solve by factoring first.
4. 4. Warm-Up/Review:
5. 5. Warm-Up/Review: Find the vertex and y-intercept of: 2x – x2 = -3 (1, 4)
6. 6. Warm-Up/Review: Write the equation represented by the graph:
7. 7. Warm-Up/Review: Solve or write no solution 6x2 - 54 = 0 Solve by..........? Finding square roots One clue is ......what? Lack of a ‘b’ term x = + 3 x2 - 108 = 0 x = Must factor out all perfect squares next.
8. 8. Warm-Up/Review: Solve or write no solution
9. 9. Warm-Up/Review: After completing the square, complete the class work from Friday—Both front & back sides.