Math 150 Quiz #5B Print this Quiz. When you have completed this quiz submit your answers in Quiz #5B - Submit Answers. This quiz is NOT multiple choice. Show your work. 1.) Solve the following quadratic equation by factoring. You must show the factoring method to receive credit. 2x2 - 7x - 15 = 0 2.) Solve the following quadratic equation by factoring. You must show the factoring method to receive credit. 10x2 + 5x = 3 + 4x 3.) Which values of x are not permitted in the following fraction? 3x 2 3x x 2 4.) Reduce the following fraction to lowest terms. 25 a 2 5a 2 25a 5.) Multiply the following and express your answer in lowest terms. Answer each part below for x 2 5 x 14 x 2 + 8 x + 7 the following: x 2 + 14 x + 49 x2 4 a) What are the factors of the numerator of the first fraction? b) What are the factors of the denominator of the first fraction? c) What are the factors of the numerator of the second fraction? d) What are the factors of the denominator of the second fraction? e) What is the final answer in lowest terms? 6.) Perform the indicated operation and answer in lowest terms. Leave the denominator of your answer in factored form. 3 1 2 x 9 x + 6x + 9 2 a) What is the LCD? b) What is your final answer? 7.) Simplify the following complex fraction: 1 1 + x xy y 1 x xy a) What is your first step? (Describe your method). b) After performing your first step what was your result? c) What is your final answer in lowest terms