Answer :

Refer this table

i. x co-ordinate = 8 and y co-ordinate = 15

both x and y are positive therefore point (8, 15) lies in the 1^{st} quadrant

ii. x co-ordinate = -15 and y co-ordinate = 2

x co-ordinate is negative and y co-ordinate is positive therefore point (–15, 2) lies in 2^{nd} quadrant

iii. x co-ordinate = -20 and y co-ordinate = -10

both x and y are negative therefore point (-20, -10) lies in the 3^{rd} quadrant

iv. x co-ordinate = 6 and y co-ordinate = -9

x co-ordinate is positive and y co-ordinate is negative therefore point (6, -9) lies in 4^{th} quadrant

v. x co-ordinate = 0 and y co-ordinate = 18

as x = 0 the point lies on Y-axis because equation of Y-axis is x = 0

therefore point (0, 18) lies on Y-axis

vi. x co-ordinate = -17 and y co-ordinate = 0

as y = 0 the point lies on X-axis because equation of X-axis is y = 0

therefore point (-17, 0) lies on X-axis

vii. x co-ordinate = 9 and y co-ordinate = 0

as y = 0 the point lies on X-axis because equation of X-axis is y = 0

therefore point (9, 0) lies on X-axis

viii. x co-ordinate = -100 and y co-ordinate = -200

both x and y are negative therefore point (-100, -200) lies in the 3^{rd} quadrant

ix. x co-ordinate = 200 and y co-ordinate = 500

both x and y are positive therefore point (200, 500) lies in the 1^{st} quadrant

x. x co-ordinate = -50 and y co-ordinate = 7500

x co-ordinate is negative and y co-ordinate is positive therefore point (–50, 7500) lies in 2^{nd} quadrant

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