MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the set using set - builder notation. 1 . . ., - 3, - 2, - 1, 0, 1, 2, 3, . . . 1 A x A x is an integer B - 3, - 2, - 1, 0, 1, 2, 3 C x A x is a

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Write the set using set - builder notation. 1) {. . ., - 3, - 2, - 1, 0, 1, 2, 3, . . . } 1) A) {x A x is an integer} B) { - 3, - 2, - 1, 0, 1, 2, 3} C) {x A x is a natural number} D) {x A x is any integer greater than - 3} 2) { 17 , 18 , 19 , 20 } 2) A) {x A x is an integer less than 21 } B) { 17 , 18 , 19 , 20 } C) {x A x is a natural number between 17 and 20 } D) {x A x is a natural number between 16 and 21 } 3) { - 5 , - 4 , - 3 , - 2 , . . .} 3) A) { - 5 , - 4 , - 3 , - 2 } B) {x A x is an integer between - 6 and - 1 } C) {x A x is any integer} D) {x A x is an integer greater than - 6 } 4) { 3 , 4 , 5 , 6 , 7 } 4) A) {x A x is an integer between 3 and 7 } B) {x A x is an irrational number between 2 and 8 } C) {x A x is a number between 3 and 7 } D) {x A x is an integer between 2 and 8 } 5) { - 8 , - 7 , - 6 , - 5 , - 4 } 5) A) {x A x is a number between - 8 and - 4 } B) {x A x is an integer between - 9 and - 3 } C) {x A x is an integer between - 8 and - 4 } D) {x A x is a natural number between - 9 and - 3 } 6) {2, 4, 6, 8, 10} 6) A) {x A x is any integer} B) {x A x is any even natural number} C) {x A x is an even natural number less than or equal to 10} D) {2, 4, 6, 8} SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Provide an appropriate response. 7) Explain what happens when an integer is multiplied by 1, - 1, and 0. Which one is the multiplicative identity for integers? 7) 8) Explain how you can use the distributive property to help you evaluate 194 · 50 . 8) 9) Is it always true that c + (a · b) = (c + a)(c + b), where a, b, and c are real numbers? If not, provide an example that shows the statement is false. 9) 1 Chapter 0 (Intermediate Algebra, 12e Margaret Lial, John Hornsby, Terry McGinnis) (Test Bank, For Complete File, Download link at the end of this File) (Answer at the end of each Chapter) 1 / 4

Answer the question. 10) Explain why the statement x < 3 or x > 5 cannot be written: 5 < x < 3 . 10) Provide an appropriate response. 11) Use an example to explain the difference between the associative and commutative properties of multiplication. 11) Answer the question. 12) A student claims that { 9 , 10 , 11 } and the set { 11 , 10 , 9 } are the same set. Explain why the student is correct or why the student is incorrect. 12) 13) A student claims that { 0 } is the same set as + because zero means none, hence the number of elements in { 0 } is none. Was the student correct? Explain your answer. 13) Provide an appropriate response. 14) Is subtraction commutative? Explain. 14) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Perform the indicated operation. 15) 10 0 15) A) 10 B) 1 C) Undefined D) 0 Use a number line to answer true or false to the statement. 16) - 22 < 0 16) A) True B) False Evaluate the expression. 17) - 10 4 17) A) 10,000 B) - 10,000 C) - 100,000 D) 100,000 Use the indicated property to write a new expression equal to the given one. Simplify the expression if possible . 18) ( 2 x + 8 y) + 5 z; associative 18) A) ( 2 x + 8 y + 5 z) B) 2 x + ( 8 y + 5 z) C) 2 x + 8 y + 5 z D) ( 8 y + 2 x) + 5 z Find the square root. If it is not a real number, say so. 19) 4 169 19) A) 4 13 B) 2 13 C) 2 169 D) 13 2 Find the square root. If the number is not real, say so. 20) - 196 20) A) - 14 B) Not a real number C) 14 D) 28 2 2 / 4

Simplify the expression. 21) 7 x + 3 + 4 x + x + 9 21) A) 10 x + 12 B) 11 x + 12 C) 11 x - 12 D) 12 x + 12 The graphs show the sales of two companies competing for market share. 22) If x represents Company B's sales in 2007 and y represents Company A's sales in the same year, then the relationship between x and y is 22) A) x = y B) x > y C) x < y Graph the elements of the set on a number line. 23) { 0 , 2 , 4 , 6 } 23) A) B) C) D) Perform the indicated operation. 24) - 2.23 + ( - 7.30 ) 24) A) 9.53 B) - 5.07 C) - 9.53 D) 16.279 25) 6.089 + ( - 3.153 ) 25) A) 19.199 B) 2.936 C) - 9.242 D) - 9.142 26) 126 - 6 26) A) - 21 B) - 1 21 C) 1 21 D) 21 Find the distance between the given points. 27) A and F 27) A) - 11 2 B) - 1 2 C) 1 2 D) 11 2 3 3 / 4

Perform the indicated operation. Round to the nearest hundredth, if necessary. 28) ( - 7.03 )( 1.67 ) 28) A) - 117.4 B) - 0.1174 C) - 11.74 D) - 1.174 Write the set by listing its elements. 29) {a|a is a whole number multiple of 4 } 29) A) {..., - 8 , - 4 , 0, 4 , 8 , ...} B) {0, 4 , 8 , 12 , 16 , ...} C) {0, 4 , 8 , 12 , 16 } D) { 4 , 8 , 12 , 16 , ...} Add or subtract as indicated. 30) 3 - | - 2 | 30) A) 1 B) - 5 C) - 1 D) 5 Use inequality symbols to rewrite the statement. 31) 9 is less than or equal to y. 31) A) 9 K y B) 9 > y C) 9 < y D) 9 L y Find the value of the expression. 32) - 8 + 17 - - 6 32) A) 31 B) 19 C) 3 D) 15 Use the indicated property to write a new expression equal to the given one. Simplify the expression if possible . 33) y + 0; identity 33) A) y B) 1 C) 0 D) 0 + y Add or subtract as indicated. 34) - 11 - 15 34) A) - 4 B) 26 C) 4 D) - 26 Use the distributive property to calculate the value mentally. 35) 55 · 5 2 - 5 · 5 2 35) A) 62.5 B) 212.5 C) 125 D) 150 Perform the indicated operation. 36) - 32 - 2 36) A) 16 B) - 16 C) 1 16 D) 6 Find the square root. If the number is not real, say so. 37) - 576 37) A) 48 B) 24 C) - 24 D) Not a real number 4

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