Question: 1. A) B) C) Determine whether the binomial can be written as a difference of two squares. p9 - 25 a8 - 18 g2 -

1. A) B) C) Determine whether the binomial can be written as a difference of two squares. p9 - 25 a8 - 18 g2 - 36 Answer: 2. Consider the equation x2 + 8x = 10. 1. Show how to solve the equation by completing the square. 2. Show how to solve the equation by using the quadratic formula. Round solutions to the nearest tenth if needed. Answer: 3.The formula V = r2 h gives the volume of a cylinder with radius r and height h. Solve the formula for r. Show your work. Answer: 4. 1. 1. 2. 3. 4. Consider the function f(x) = (x + 4)(x - 2). What are the x-intercepts of the graph of the function? What is the equation of the axis of symmetry? Explain how you know. What is the vertex of the function? Show your work. Graph the function. 5. Richmond Appliance repairs washing machines. The revenue that the company earns is given by the function R(h) = 20 + 45h dollars for every h hours spent repairing washing machines. The company's overhead cost is given by the function C (h) = 5h2 - 30 dollars. For what number of hours does the company break even? Show your work.

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