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Download e-book for kindle: Communications in Algebra, volume 26, number 6, 1998 by Marcel Dekker, Inc

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Y = ᎏ11ᎏ83 x d. y = –ᎏ11ᎏ38 x 280. Which of the following lines must be perpen- 282. A 60-foot piece of rope is cut into three pieces. The second piece must be 1 foot shorter in length than twice the first piece, and the third piece must be 10 feet longer than three times the length of the second piece. How long should the longest piece be? a. 37 feet b. 40 feet c. 43 feet d. 46 feet 283. 75. 25 before the sales tax. If he bought one more canister of Longline balls than he did Ace balls, how many canisters of each did he purchase?

D. Neither a or b is true. Set 16 237. For all negative integers x and y, points whose quadrant? 240. If y is a nonpositive real number, which of the (Answers begin on page 174) The problems in this set deal with determining the equations of lines using information provided about the line. 241. What is the slope of the line whose equation is 3y – x = 9? 1 a. ᎏ3ᎏ b. –3 c. 3 d. 9 242. What is the slope of the line whose equation is y = –3? a. –3 b. 0 c. 3 d. There is no slope. 243. What is the y-intercept of the line whose equa- tion is 8y = 16x – 4?

X : x Ͼ 7} 198. What is the solution set for –8x + 11 Ͻ 83? a. b. c. d. {x : x Ͼ –9} {x : x Ͻ –9} {x : x Ͼ 9} {x : x Ͻ 9} 199. What is the solution set for –4(x –1) Յ 2(x + 1)? 1 a. {x : x Ն –ᎏ3ᎏ} 1 b. {x : x Յ –ᎏ3ᎏ} 200. What is the solution set for x + 5 Ն 3x + 9? a. b. c. d. 7 {x : x Ն ᎏ2ᎏ} {x : x Ն –2} {x : x Յ –2} {x : x Յ 2} 201. What is the solution set for –6(x + 1) Ն 60? a. b. c. d. {x : x Ն –9} {x : x Յ –9} {x : x Ն –11} {x : x Յ –11} 202. Which of the following statements accurately describes the inequality 2x – 4 Ͻ 7(x – 2)?