Selina Concise Class 8 Math Chapter 10(D) Direct and Inverse variation

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  Chapter 28 - Distance Formula Exercise Ex. 28 Question 1 Find the distance between the following pairs of points: (i) (-3, 6) and (2, -6) (ii) (-a, -b) and (a, b) (iii)   and  (iv)   and  Solution 1 (i) (-3, 6) and (2, -6) Distance between the given points   (ii) (-a, -b) and (a, b) Distance between the given points   (iii)   and  Distance between the given points   (iv)   and  Distance between the given points Question 2 Find the distance between the origin and the point: (i) (-8, 6) (ii) (-5, -12) (iii) (8, -15) Solution 2 Coordinates of origin are O (0, 0). (i) A (-8, 6) AO =    (ii) B (-5, -12) BO =    (iii) C (8, -15) CO =  Question 3 The distance between the points (3, 1) and (0, x) is 5. Find x. Solution 3 It is given that the distance between the points A (3, 1) and B (0, x) is 5. Question 4 Find the co-ordinates of points on the x-axis which are at a distance of 17 units f...
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