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April 15

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April 15

1. 1. Today:Warm-Up: Review for Final ExamCompleting the Square Class Work
2. 2. Reminders: •Final Exam Tomorrow •20 questions on +, - *, /, polynomials, Factoring polynomials; Quadratic Equations including Completing the Square•1st, 2nd Periods leave notebooks tomorrow, 3rd & 4th Wednesday •All outstanding class work due at end of day tomorrow. Cannot be accepted after then
3. 3. Warm-Up/Final Exam Review: Dividing Polynomials Multiplying PolynomialsMany Combinations of Polynomials can be multiplied
4. 4. Warm-Up/Final Exam Review:Adding & Subtracting Polynomials
5. 5. Warm-Up/Final Exam Review:Notes:A. Solving by using square roots can happen onlywhen there is no b term.B. Every Quadratic can be solved by completing thesquare; check first to see if the equation can be factoredWrite the equation which gives the following solutions: 0, 3
6. 6. Warm-Up/Final Exam Review: Factoring Polynomials & Quadratic Equations 1. T or F, Are Quadratic Equations Polynomials? 2. Thats right, but Quadratic Equations are polynomials with restrictions. What requirements define Quadratics?Factor the following equations: x2 + 2x = 3 x2 + 10x + 30 = 0
7. 7. Warm-Up/Final Exam Review: The length of a rectangle is 8 inches more than the width. The area of the rectangle is 308 sq. inches. Find the length and width by completing the square.Area = l x w. w(w + 8) = 308 w2 + 8w = 308 w2 + 8w + 16 = 324 (w + 4)2 = 324 (w + 4) = √324 (w + 4) = √324 (w + 4) = √81•4 = 18 w = -4 ± 18; w = -22, w = 14, l = 22
8. 8. Warm-Up/Final Exam Review:
9. 9. Warm-Up/Final Exam Review: