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