MCCC MAT 135 - MAT135 In Class Assignments (30 pages)

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MAT135 In Class Assignments



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MAT135 In Class Assignments

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Pages:
30
School:
Mercer County Community College
Course:
Mat 135 - Intermediate Algebra

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MAT 135 In Class Assignments Fall 2007 1 MAT135 In Class Assignment Chapter 1 1 Simplify each expression a 2 3 5 b 3 2 5 2 c 3 4 2 2 32 2 a Factor 4 356 into the product of prime factors d 30 6 4 2 b Reduce 3 Translate each statement into an equivalent inequality a x is at least 4 b x is between 0 and 8 4 356 to lowest terms 5 148 c x is no more than 5 4 Which property or properties of the real numbers is illustrated by each expression a x 3 3 x b 5 0 5 c 5 5 0 d 5 x y x 5 y 5 Write in scientific notation a 376 000 e 3 1 3 f 3 x y 3x 3 y b 4 520 c 0 0000067 6 Write in expanded form a 1 94x105 b 5 4x10 4 c 3 53x103 7 Simplify each expression Write all answers with positive exponents only Assume all variables are nonzero a x 2 y 5 3 b 2 y 2 3 5y4 3 2 c x 4 3 x 3 4 x10 MAT135 In Class Assignment Section 2 1 Solving Linear Equations 1 Solve the following equations 5 t 3 23 3 a 4a 8 3a 7 b c 7 3 x 2 4 x 1 1 1 1 5 d x x 2 4 3 4 e x 3 x 2 26 f 2 x 3 3x 5 6 2 The taxi meter was invented in 1891 by Wilhelm Bruhn Chicago charges 1 80 plus 0 40 per mile for a taxi ride a If the fare is 6 60 write an equation that shows how the fare is calculated b How many miles were traveled if the fare was 6 60 3 In 1992 twice as many people visited their doctor because of a cough than an earache The total number of doctor s visits for these two ailments was reported to be 45 million a Let x represent the number of earaches reported in 1992 Write an expression for the number of coughs reported in 1992 b Write an equation that related 45 million to the variable x c How many people visited their doctor in 1992 to report an earache 3 MAT135 In Class Assignment Section 2 3 Solving Linear Inequalities 1 Solve the inequalities graph each solution and write the solution in interval notation 1 a y 4 3 b 12 2 x 1 y 36 2 c 5 x 115 d 10 e 2 3 x 1 10 f 1 3 4 3a 1 2 A store selling art supplies finds that they can sell x sketch pads each week at a price of p dollars each according to the formula x 900



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