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