Coordinate Geometry Worksheet for Maths Olympiad

Maths Olympiad topic 28: Coordinates and distance · Set 215 · 40 questions

How to solve it (Across, up, Pythagoras): Distance: across = difference of the x values, up = difference of the y values; distance = √(across² + up²). Midpoint = ((x₁ + x₂) ÷ 2, (y₁ + y₂) ÷ 2). Quadrants by signs: (+, +) first, (−, +) second, (−, −) third, (+, −) fourth.

1. 1.What is the distance between the points (0, 4) and (6, 12)? (a) 10 (b) 100 (c) 11 (d) 14
2. 2.In which quadrant does the point (9, −4) lie? (a) Fourth quadrant (b) First quadrant (c) Third quadrant (d) Second quadrant
3. 3.What is the midpoint of the line joining (6, 7) and (8, 15)? (a) (11, 7) (b) (7, 11) (c) (1, 4) (d) (14, 22)
4. 4.In which quadrant does the point (−7, −1) lie? (a) Second quadrant (b) First quadrant (c) Fourth quadrant (d) Third quadrant
5. 5.What is the distance between the points (1, 8) and (13, 13)? (a) 13 (b) 169 (c) 14 (d) 17
6. 6.How far is the point (12, 16) from the origin (0, 0)? (a) 28 (b) 400 (c) 20 (d) 21
7. 7.In which quadrant does the point (−3, 1) lie? (a) Second quadrant (b) First quadrant (c) Fourth quadrant (d) Third quadrant
8. 8.What is the distance between the points (4, 18) and (13, 6)? (a) 16 (b) 21 (c) 225 (d) 15
9. 9.What is the midpoint of the line joining (6, 4) and (18, 6)? (a) (12, 5) (b) (24, 10) (c) (6, 1) (d) (5, 12)
10. 10.What is the distance between the points (0, 5) and (8, 20)? (a) 23 (b) 18 (c) 17 (d) 289
11. 11.In which quadrant does the point (−8, 4) lie? (a) Third quadrant (b) Fourth quadrant (c) First quadrant (d) Second quadrant
12. 12.What is the midpoint of the line joining (1, 7) and (7, 1)? (a) (3, 3) (b) (4, 4) (c) (5, 4) (d) (8, 8)
13. 13.How far is the point (5, 12) from the origin (0, 0)? (a) 13 (b) 169 (c) 14 (d) 17
14. 14.What is the distance between the points (7, 16) and (19, 7)? (a) 16 (b) 15 (c) 21 (d) 225
15. 15.What is the midpoint of the line joining (2, 9) and (4, 11)? (a) (10, 3) (b) (3, 10) (c) (6, 20) (d) (1, 1)
16. 16.What is the distance between the points (1, 11) and (7, 3)? (a) 11 (b) 100 (c) 14 (d) 10
17. 17.What is the midpoint of the line joining (7, 6) and (9, 2)? (a) (16, 8) (b) (4, 8) (c) (1, 2) (d) (8, 4)
18. 18.In which quadrant does the point (9, −2) lie? (a) Second quadrant (b) First quadrant (c) Fourth quadrant (d) Third quadrant
19. 19.What is the midpoint of the line joining (1, 8) and (7, 20)? (a) (3, 6) (b) (8, 28) (c) (4, 14) (d) (14, 4)
20. 20.How far is the point (24, 7) from the origin (0, 0)? (a) 26 (b) 25 (c) 31 (d) 625
21. 21.How far is the point (6, 8) from the origin (0, 0)? (a) 100 (b) 14 (c) 11 (d) 10
22. 22.In which quadrant does the point (4, 6) lie? (a) Third quadrant (b) Second quadrant (c) First quadrant (d) Fourth quadrant
23. 23.What is the distance between the points (3, 1) and (7, 4)? (a) 7 (b) 6 (c) 25 (d) 5
24. 24.What is the midpoint of the line joining (5, 12) and (17, 8)? (a) (10, 11) (b) (6, 2) (c) (22, 20) (d) (11, 10)
25. 25.What is the distance between the points (7, 5) and (15, 20)? (a) 17 (b) 289 (c) 23 (d) 18
26. 26.In which quadrant does the point (6, 1) lie? (a) First quadrant (b) Fourth quadrant (c) Third quadrant (d) Second quadrant
27. 27.In which quadrant does the point (−7, 3) lie? (a) First quadrant (b) Second quadrant (c) Fourth quadrant (d) Third quadrant
28. 28.What is the distance between the points (4, 22) and (12, 7)? (a) 23 (b) 18 (c) 289 (d) 17
29. 29.What is the midpoint of the line joining (2, 2) and (4, 14)? (a) (6, 16) (b) (8, 3) (c) (3, 8) (d) (1, 6)
30. 30.In which quadrant does the point (−5, 4) lie? (a) Fourth quadrant (b) Second quadrant (c) First quadrant (d) Third quadrant
31. 31.What is the distance between the points (7, 2) and (19, 7)? (a) 14 (b) 17 (c) 169 (d) 13
32. 32.What is the distance between the points (1, 6) and (17, 18)? (a) 21 (b) 400 (c) 20 (d) 28
33. 33.What is the midpoint of the line joining (8, 8) and (16, 0)? (a) (24, 8) (b) (4, 4) (c) (12, 4) (d) (4, 12)
34. 34.How far is the point (7, 24) from the origin (0, 0)? (a) 26 (b) 625 (c) 25 (d) 31
35. 35.How far is the point (15, 8) from the origin (0, 0)? (a) 289 (b) 23 (c) 17 (d) 18
36. 36.What is the midpoint of the line joining (2, 6) and (14, 2)? (a) (8, 4) (b) (4, 8) (c) (6, 2) (d) (16, 8)
37. 37.In which quadrant does the point (−9, 5) lie? (a) Fourth quadrant (b) Third quadrant (c) First quadrant (d) Second quadrant
38. 38.In which quadrant does the point (5, 4) lie? (a) Third quadrant (b) Second quadrant (c) Fourth quadrant (d) First quadrant
39. 39.What is the distance between the points (1, 1) and (25, 8)? (a) 625 (b) 26 (c) 25 (d) 31
40. 40.In which quadrant does the point (−1, −7) lie? (a) First quadrant (b) Third quadrant (c) Fourth quadrant (d) Second quadrant

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