1. (3 points) The expression 204 _1 (abv2) equals nar/b' where n, the coefcient, is: r, the exponent of a, is: t, the exponent of b, is: Answes) submitted: 0 O O (incorrect) 2. (2 points) Simplify the expression y2+4y 32216 and give your answer in the form of f (y) 80') ' Your answer for the function f (y) is : _ Your answer for the function g(y) is : 3. (2 points) Simplify the expression 2x 3 (x + 2) 2 x+2 and give your answer in the form of f(x) g(x) Your answer for the function f (x) is : Your answer for the function g(x) is : Answer(s) submitted: (incorrect) 4. (2 points) Consider the line graphs of the following two linear functions, y = f(x) = -8x+5 y=g(x)=-7x+3 a) Which line has a greater slope? . A. f(x) has greater slope. . B. g(x) has greater slope. . C. Their slopes are equal. b) Which line has a greater y -intercept? . A. f(x) has a greater y -intercept. . B. g(x) has a greater y -intercept. . C. Their y -intercepts are equal. Answer(s) submitted: (incorrect) 5. (3 points) You bought a new car for $16,500 in 2005, and the value of the car depreciates by $400 each year. Find a formula for V , the value of the car, in terms of t , the number of years since 2005. V(t) = (Be sure NOT TO USE ANY COMMAS when you enter your formula. For example enter two thousand as 2000 and not as 2,000.)6. (2 points) Solve the equation x2 4x 5 = O by factoring. The solutions are in = and x2 = with x1 5 x2. Answerfs) submitted: (incorrect) 7. (2 points) By completing the square, the expression J:2 2x+127 equals (.1:+A)2 +B where A = and B = Answerfs) submitted: (incorrect) 8. (4 points) Match each graph with its corresponding equation. 1. (x+ 2)2 + 3 2. (x 3)2 + 2 3. 2(x 2)2 + 3 4. (x+ 3)2 + 2 ||-=|-=|-=| '1: Generated by WcBWorK, hpiwebwmkmaamg, Marthemacal Association of America .l L l (Click on a graph to enlarge it) Answer) submitted: (incorrect)