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in Coordinate Geometry by (32.3k points)
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Find the slopes of the lines passing through the given points. 

i. A (2, 3), B (4, 7) 

ii. P(-3, 1), Q (5, -2) 

iii. C (5, -2), D (7, 3)

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i. A (x1, y1) = A (2, 3) and B (x2, y2) = B (4, 7) 

Here, x1 = 2, x2 = 4, y1 = 3, y2 = 7

∴ The slope of line AB is 2.

ii. P (x1, y1) = P (-3, 1) and Q (x2, y2) = Q (5, -2) 

Here, x1 = -3, x2 = 5, y1 = 1, y2 = -2

∴ The slope of line PQ is -3/8

iii. C (x1, y1) = C (5, -2) and D (x2, y2) = D (7, 3) 

Here, x1 = 5, x2 = 7, y1 = -2, y2 = 3

∴ The slope of line CD is 5/2

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