Coordinate Geometry Worksheet for Maths Olympiad

Maths Olympiad topic 28: Coordinates and distance · Set 496 · 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.How far is the point (8, 15) from the origin (0, 0)? (a) 18 (b) 17 (c) 23 (d) 289
2. 2.What is the distance between the points (4, 6) and (8, 9)? (a) 5 (b) 25 (c) 7 (d) 6
3. 3.How far is the point (8, 6) from the origin (0, 0)? (a) 10 (b) 100 (c) 11 (d) 14
4. 4.What is the distance between the points (5, 16) and (11, 8)? (a) 11 (b) 10 (c) 100 (d) 14
5. 5.In which quadrant does the point (−2, 2) lie? (a) First quadrant (b) Third quadrant (c) Fourth quadrant (d) Second quadrant
6. 6.How far is the point (12, 5) from the origin (0, 0)? (a) 14 (b) 17 (c) 169 (d) 13
7. 7.What is the distance between the points (9, 8) and (24, 16)? (a) 17 (b) 289 (c) 23 (d) 18
8. 8.In which quadrant does the point (2, 7) lie? (a) Fourth quadrant (b) Second quadrant (c) Third quadrant (d) First quadrant
9. 9.What is the midpoint of the line joining (1, 7) and (7, 17)? (a) (8, 24) (b) (12, 4) (c) (4, 12) (d) (3, 5)
10. 10.How far is the point (6, 8) from the origin (0, 0)? (a) 100 (b) 11 (c) 10 (d) 14
11. 11.How far is the point (5, 12) from the origin (0, 0)? (a) 169 (b) 13 (c) 14 (d) 17
12. 12.What is the distance between the points (6, 9) and (14, 24)? (a) 18 (b) 23 (c) 289 (d) 17
13. 13.What is the midpoint of the line joining (9, 6) and (17, 16)? (a) (26, 22) (b) (13, 11) (c) (11, 13) (d) (4, 5)
14. 14.What is the midpoint of the line joining (7, 1) and (9, 13)? (a) (7, 8) (b) (8, 7) (c) (1, 6) (d) (16, 14)
15. 15.What is the distance between the points (6, 2) and (14, 8)? (a) 11 (b) 10 (c) 14 (d) 100
16. 16.What is the midpoint of the line joining (1, 10) and (9, 14)? (a) (10, 24) (b) (4, 2) (c) (5, 12) (d) (12, 5)
17. 17.What is the midpoint of the line joining (10, 6) and (14, 14)? (a) (10, 12) (b) (2, 4) (c) (24, 20) (d) (12, 10)
18. 18.In which quadrant does the point (−1, −1) lie? (a) Second quadrant (b) Third quadrant (c) Fourth quadrant (d) First quadrant
19. 19.What is the midpoint of the line joining (5, 10) and (7, 2)? (a) (12, 12) (b) (7, 6) (c) (1, 4) (d) (6, 6)
20. 20.In which quadrant does the point (9, −2) lie? (a) First quadrant (b) Third quadrant (c) Second quadrant (d) Fourth quadrant
21. 21.How far is the point (12, 9) from the origin (0, 0)? (a) 15 (b) 225 (c) 16 (d) 21
22. 22.In which quadrant does the point (1, −3) lie? (a) First quadrant (b) Third quadrant (c) Second quadrant (d) Fourth quadrant
23. 23.In which quadrant does the point (4, 1) lie? (a) First quadrant (b) Third quadrant (c) Fourth quadrant (d) Second quadrant
24. 24.What is the midpoint of the line joining (8, 1) and (14, 7)? (a) (11, 4) (b) (4, 11) (c) (22, 8) (d) (3, 3)
25. 25.What is the midpoint of the line joining (1, 1) and (5, 13)? (a) (6, 14) (b) (7, 3) (c) (2, 6) (d) (3, 7)
26. 26.What is the midpoint of the line joining (7, 9) and (19, 5)? (a) (26, 14) (b) (13, 7) (c) (7, 13) (d) (6, 2)
27. 27.What is the distance between the points (1, 11) and (5, 8)? (a) 25 (b) 6 (c) 7 (d) 5
28. 28.What is the midpoint of the line joining (10, 3) and (22, 9)? (a) (6, 16) (b) (6, 3) (c) (32, 12) (d) (16, 6)
29. 29.What is the distance between the points (6, 8) and (14, 23)? (a) 17 (b) 18 (c) 289 (d) 23
30. 30.In which quadrant does the point (−5, 8) lie? (a) First quadrant (b) Second quadrant (c) Fourth quadrant (d) Third quadrant
31. 31.What is the distance between the points (2, 9) and (7, 21)? (a) 17 (b) 169 (c) 14 (d) 13
32. 32.What is the distance between the points (8, 2) and (24, 14)? (a) 21 (b) 28 (c) 400 (d) 20
33. 33.In which quadrant does the point (−7, 7) lie? (a) First quadrant (b) Third quadrant (c) Second quadrant (d) Fourth quadrant
34. 34.What is the midpoint of the line joining (9, 2) and (19, 4)? (a) (14, 3) (b) (3, 14) (c) (28, 6) (d) (5, 1)
35. 35.What is the midpoint of the line joining (4, 3) and (10, 5)? (a) (4, 7) (b) (14, 8) (c) (3, 1) (d) (7, 4)
36. 36.How far is the point (9, 12) from the origin (0, 0)? (a) 21 (b) 16 (c) 15 (d) 225
37. 37.What is the midpoint of the line joining (2, 0) and (4, 8)? (a) (6, 8) (b) (3, 4) (c) (4, 3) (d) (1, 4)
38. 38.What is the midpoint of the line joining (4, 6) and (12, 0)? (a) (4, 3) (b) (8, 3) (c) (16, 6) (d) (3, 8)
39. 39.In which quadrant does the point (4, −9) lie? (a) Third quadrant (b) Second quadrant (c) First quadrant (d) Fourth quadrant
40. 40.How far is the point (16, 12) from the origin (0, 0)? (a) 21 (b) 20 (c) 28 (d) 400

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