Question: Lesson 16 - Assignment 1. Solve. [4 marks each] a. 4x2 - 16 = x2 - b. (x - 2)3 = 21 c. 2x2 -

Lesson 16 - Assignment 1. Solve. [4 marks each] a. 4x2 - 16 = x2 - b. (x - 2)3 = 21 c. 2x2 - 2x + 7 = x2 -2x -4 2. Solve by creating a graph using technology. [3 marks each] a. x3 + 3x -4 =0 b. -2x2+5 =8-3x 3. Solve by factoring. [4 marks each] a. x2 - 2x - 15 = 0 b. 2x3 + 5x - 2 = 4x -x2 4. Solve using the quadratic formula. [4 marks each] a. 2x2 - 4x - 1 =0 b. 3x3 + 5x + 1 = 3x -4 The quadratic equation, 2x2 - 7x - 4 = 0, can be solved by: Graphing with or without technology Factoring Using the quadratic formula a. Solve the quadratic equation using all three techniques. [4 marks] b. Rank the techniques in the order in which you would use them to solve this problem. Explain why you chose that particular ranking. [3 marks] c. Summarize the benefits of each method. Explanations, diagrams, examples, formulas and mathematical terminology should all be included in your solution. Be thorough! [9 marks]

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