April 30

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April 30

  1. 1. Today: Make-Up Tests?? Review for Final Exam/Quadratic Re-take Radicals: Simplifying, Adding & Subtracting Class Work April 30, 2014
  2. 2. Khan Academy Topics for the Week:  Simplifying Radicals 1  Simplifying Radicals 2  Adding & Subtracting Radicals  **Alt.Khan Available Now On-line due May 4th. Alt.Khan due May 5th.
  3. 3. Also available at v6math:
  4. 4. At the V6 math site: In addition to the textbook, I’ve put together a complete power point covering all the topics in the unit.You can find it on the right side of the homepage with the practice tests and additional questions 49 slides with definitions, practice questions, and step-by- step instructions. Download it, use it.
  5. 5. Warm-Up Section of Notebook
  6. 6. Warm-Up/Review: Find the actual dimensions of the rectangle: x + 5 x - 1A = 112 (x + 5) (x – 1) = 112 x2 + 4x - 5 = 112 x2 + 4x + 4 = 121 (x + 2) 2 = 121 x = 2 + 11 x = 13, x = -9 x2 + 4x = 117
  7. 7. Pencils down, mental math only. What is the resulting trinomial? Warm-Up/Review: Square, Double, Square 9m2 – 42mn + 49n Don’t say anything for at least one minute. Think, work first
  8. 8. 1. Write the equation for each graph given its change from the parent graph: y = x2 a. 2 units down Review: Solving Quadratic Equations b. 4 units left, 2 units down c. 2 units right, 7 units up d. What are the solutions, if any to ‘a’ above? 2. Write the equation for this parabola in both factored and standard forms. Factored Form: (x + 4) (x + 2) Standard Form: (x2 + 6x + 8)
  9. 9. Warm-Up/Review: x = 0, x = 4 Find the zero’s of the function (Complete the square) -(x + 2) = + 2 tells direction only
  10. 10. Warm-Up/Review: Nolan earned 5% interest per year on the money he kept in the bank. After one year he had earned $20 in interest. How much money did he have in the bank? 56.76 x 1010 = 5.676 x 1011 We don’t know the original amount, and the amount increased. Therefore... 20 ÷ .05 = $400

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