Chapter 10: Cumulative Review for Chapters 1–10 1) Simplify 12 35 24 49 . Simplify. The final answer should contain only positive exponents. 2) (5x4y10)(3xy3)2 3) Write an equation, and solve. In December 2010, an electronics store sold 108 digital cameras. This is a 20% increase over their sales in December 2009. How many digital cameras did they sell in December 2009? 4) Solve for m. y mx b 5) Given the relation {(4, 0), (3, 1), (3, 1), (0, 2)}, a) what is the domain? b) what is the range? c) is the relation a function? 6) Let f (x) 1x 3. a) Find f(1). b) Find the domain of f. c) Graph the function. 7) Write a system of two equations in two variables, and solve. Two bags of chips and three cans of soda cost $3.85, while one bag of chips and two cans of soda cost $2.30. Find the cost of a bag of chips and a can of soda. 8) Subtract (4x2y2 11x2y xy 2) (x2y2 6x2y 3xy2 10xy 6) 9) Multiply and simplify 3(r 5)2. Factor completely. 10) 4p3 14p2 8p 11) a3 125 12) Add z 8 z 4 3 z 13) Simplify 2 6 c 2 c2 8 c 14) Solve this system: 4x 2y z 7 3x y 2z 5 2x 3y 5z 4 Simplify. Assume all variables represent nonnegative real numbers. 15) 175 16) 1 3 40 17) 263x7y4 18) Simplify 642/3. 19) Rationalize the denominator: 5 2 13 . 20) Multiply and simplify (10 3i)(1 8i). Solve. 21) 1 1 3h 2 20 (3h 2)2 22) p2 6p 27 23) Solve for V: r B V ph . 24) Graph f (x) (x 1)2 4. 25) Solve 25p2 144. 700 CHAPTER 10 Quadratic Equations and Functions www.mhhe.com/messersmith
messersmith_power_intermediate_algebra_1e_ch4_7_10
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