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by: Green Lesch


Green Lesch
GPA 3.7


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Class Notes
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This 5 page Class Notes was uploaded by Green Lesch on Monday September 28, 2015. The Class Notes belongs to MATH1021 at Temple University taught by NahedHamid in Fall. Since its upload, it has received 24 views. For similar materials see /class/215465/math1021-temple-university in Mathematics (M) at Temple University.

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Date Created: 09/28/15
Math 1021 Beginning of the Semester Review In 1 7 3 ll in the blanks to make each statement true 1 The property a b b a is called the of addition and a b c a b c is called the property 2 The additive inverse of 3 is and the multiplicative inverse of l 3 is 3 The additive inverse of 0 is that is 0 the multiplicative inverse ofl is that is l 1 Evaluate each expression in 4 7 5 4 a 4836124 2 b 4836124 2 c 4836124 2 d 483612472 5 a 818933 b 818933 c 818933 d 818933 In 6 7 9 ll in the blanks to make each statement true 6 To compute a b when aand b are unequal and have opposite signs we 7 When there is a minus sign before parentheses the parentheses can be removed by of each term inside the parentheses 8 The subtraction a b is equal to the addition 9 The division 61 b is equal to the multiplication In 10 7 15 evaluate each of the following 10 7 2 11 4 4 12 5 8 13 3 8 14 3 5 15 2 In 16 7 20 express each of the following without parentheses or brackets 16 x 7 17 6 y 18 x y 19 4b 20 l 5l y 21 Express each of the following as a product ofa power of 2 by a power of3 a 23326 b 46126 c 182243 In 22 7 28 simplify each of the following Leave your answer in exponential notation 22 224 23 727375 24 5 52 53 4 25 x2xx3xx4x 26 4 27 20b6 28 azb5ltacgt3b2c3 ltabgtz In 29 7 30 accompany each of the following with an appropriate diagram 29 On a coordinate plane locate and clearly label each of the following points a 5 2 b 4 3 c 65 d 58 30 If a lt 0 and b gt 0 determine the quadrant of each of the following points a cab b 217 c cub d aab 31 Find two points Pl and P2 such that Pl P2 4 2 and 5 3 are the vertices of a rectangle whose sides are parallel to the coordinate axes 5x 4x 3xl 3xl c 4 6 d 7 t t2 33 Subtract a 113 3b 4b c 3b2 3b2 4 6 d k k 2 34 Multiply and simplify 158 a 165 153 b 44 2 4 3 0 3m n27xy 9x2y 6mm 35 Divide and simplify 3 3 ZT7 1 i b ETS 12x5y4 L 4x2y 7a3b2 Zlazb c 36 Combine like terms a 8lla 5b6a 7b 7 b 8x 5x63y 2y 4 37 Find the slope x and y intercepts of the following equations a y 2x l b 2x3y6 38 Solve the following equations a 7x 7 14 b z5 7z 75 c y5 27y8y3y 8 d 8b66b 3b11b 39 Write an expression for the area of the gure shown 2x3 x l 40 Write an expression for the difference of 4 and the quotient of x and 6 41 Check to see if 1 is a solution ofthe equation 3x2 2x 5x For problems 42 and 43 solve by rst nding an equation 42 Five times the sum of a number and ten is the same as three times the number Find the number 43 The length of a rectangular area is 10 feet more than twice the width The perimeter of the rectangle is 338 feet Find the length and the width of the rectangle 44 Factor completely the following polynomials a x2 12x35 b 2y3 22y2 48y 0 6y 18 d x2 81 e 4x2y3 12x3y2 f 10612 19a 6 g 4x2 64 h 3x6x 5 46x 5 45 Combine the following polynomials and simplify a 3x2 8x 2 4x2 2x 9 b 5x2 7x 9 2x2 8x 6 c 3x32x 5x 7 d 3x 54x 7 e 7x 42 EMix


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