Review Exercises 283 Chapter 3 Review Exercises Section 3.1 1. Graph the points on a rectangular coordinate system. a 1 , 5b 11, 42 12, 12 2 a. b. c. d. e. (0, 0) f. g. 12, 52 h. 13, 12 a 8 5 10, 32 , 0b 11. The price per share of a stock (in dollars) over a period of 5 days is shown in the graph. 5 b a 4 y 3 2 1 h d e f 543 1 2 3 4 5 2 1 1 2 3 4 5 x g c 2. Estimate the coordinates of the points A, B, C, D, E, and F. A14, 32; B13, 22; C152 , 52; D14, 12; E112 , 02; F10, 52 C D 5 4 y 3 2 543 1 2 3 4 5 2 1 B E 1 2 3 4 F A x For Exercises 3–8, determine the quadrant in which the given point is located. 3. 4. 12, 102 III 14, 62 II 7 513, 52 IV b 5. 6. a 1 , I 2 1p, 2.72 IV 11.2, 6.82 III 7. 8. 9. On which axis is the point (2, 0) located? 10. On which axis is the point (0, 3) located? x-axis y-axis 29 28 (3, 28.00) Day Price ($) Price per Share ($) (2, 28.50) (1, 26.25) (4, 27.00) (5, 24.75) 1 2 3 4 5 y 27 26 25 24 23 22 x a. Interpret the meaning of the ordered pair (1, 26.25). On day 1, the price was $26.25. b. On which day was the price the highest? c. What was the increase in price between day 1 and day 2? 12. The number of space shuttle launches for selected years is given by the ordered pairs. Let x represent the number of years since 1995. Let y represent the number of launches. (1, 7) (2, 8) (3, 5) (4, 3) (5, 5) (6, 6) (7, 5) (8, 1) a. Interpret the meaning of the ordered pair (8, 1). In 2003 (8 years after 1995), there was only b. Plot the points on a rectangular coordinate system. $2.25 Day 2 8 Number of Shuttles Launched 0 0 1 2 3 4 5 6 7 8 Number of Launches Year (x 0 corresponds to 1995) 6 7 4 5 21 3 y x one space shuttle launch (this was the year that the Columbia and its crew were lost). Writing Translating Expression Geometry Scientific Calculator Video
miller_introductory_algebra_3e_ch1_3
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