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Lesson Notes: Solving Quadratic Equations with Complex Roots Complex Numbers: Solving Quadratic Equations with Complex Roots Student Objective: By the end of this 90-minute lesson, students will be able to: Name: Mi.cole. Mediaex.......................". Date: 14(50 - Identify when a quadratic equation has complex roots. Solve quadratic equations with complex roots using the quadratic formula. 1. What is the discriminant of the equation x2 + 4x + 8 = 07 9=\\ by (45 - 4 (1 ) (5) C Definitions and Vocabulary: A. 16 16 - 20 1. Quadratic Equation: An equation of the form ax+ bx + c = 0, where a * 0. B. -16 2. Discriminant (4): The part of the quadratic formula under the square root, given by b2 -4ac. C. 8 - 4 D. O - If A 0, roots are real and different. - If A = 0, roots are real and equal. 2. What type of roots does the equation 3x2 + 2x + 5 = 0 have? - If A