Section 3.1 1. Graph the points on a rectangular coordinate system. 1 2 a , 5b 11, 42 12, 12 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 4 y 3 2 1 2 1 543 1 2 3 4 5 1 2 3 4 5 x 2. Estimate the coordinates of the points A, B, C, D, E, and F. C D 5 4 2 1 y 3 2 543 1 2 3 4 5 B E 1 2 3 4 F A x For Exercises 3–8, determine the quadrant in which the given point is located. 12, 102 14, 62 3. 4. 13, 52 b 5. 6. a 1 2 , 7 5 1p, 2.72 11.2, 6.82 7. 8. 9. On which axis is the point (2, 0) located? 10. On which axis is the point (0,3) located? 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). 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). b. Plot the points on a rectangular coordinate system. 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 Chapter 3 Review Exercises Review Exercises 265
miller_beginning_intermediate_algebra_4e_ch1_3
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