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9. In this lesson you learned how to solve quadratic inequalities algebraically using roots and test points . sign analysis case analysis Demonstrate your understanding

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9. In this lesson you learned how to solve quadratic inequalities algebraically using roots and test points . sign analysis case analysis Demonstrate your understanding of these methods by solving using the requested method. a. by roots and test points (2) x- + 5x +60 Answer: C. by sign analysis (2) 9x2 + 12x

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