7. What coordinate is located eight units below the x-axis and four units to the right of the y-axi 8. Which quadrant would (x, y) be located if x>0 and y>0? 9. Which quadrant would (x, y) be located if xy>0?

Elementary Geometry For College Students, 7e
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ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
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7. What coordinate is located eight units below the x-axis and four units to the right of the y-axis?
8. Which quadrant would (x, y) be located if x>0 and y>0?
9. Which quadrant would (x, y) be located if xy>0?
10. Which quadrant would (x, y) be located if-x>0 and y> 0?
11. Decide if the following points form a right triangle by using the side lengths and the Pythagorean Theorem.
J(1, 5), K (1, -2), L (5, -2)
Side lengths:
Right Triangle?
12. The Coca-Cola Company had sales of S18, 546 million in 1996 and $21,900 million in 2004. Use the Midpoint
Formula to estimate the sales in 1998, 2000, and 2002. Assume that the sales followed a linear pattern.
1998
2000
2002.
13. How many times would you need to use the Midpoint Formula in order to divide a line segment into 16 equal
parts?
14. Prove that the diagonals on the parallelogram in the figure intersect at their midpoints.
Page
2
Transcribed Image Text:7. What coordinate is located eight units below the x-axis and four units to the right of the y-axis? 8. Which quadrant would (x, y) be located if x>0 and y>0? 9. Which quadrant would (x, y) be located if xy>0? 10. Which quadrant would (x, y) be located if-x>0 and y> 0? 11. Decide if the following points form a right triangle by using the side lengths and the Pythagorean Theorem. J(1, 5), K (1, -2), L (5, -2) Side lengths: Right Triangle? 12. The Coca-Cola Company had sales of S18, 546 million in 1996 and $21,900 million in 2004. Use the Midpoint Formula to estimate the sales in 1998, 2000, and 2002. Assume that the sales followed a linear pattern. 1998 2000 2002. 13. How many times would you need to use the Midpoint Formula in order to divide a line segment into 16 equal parts? 14. Prove that the diagonals on the parallelogram in the figure intersect at their midpoints. Page 2
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