Coordinate Geometry Worksheet for Maths Olympiad

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

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