Q1) Find the gradient of the line through the following pairs of points: a) A = ( 2, 4 )    B = ( 6  , 10 ) 2 4 6 10 b) A = ( –2, 4 )    B = ( 6  , 10 ) -2 4 6 10 c) A = ( –2, –4 )    B = ( 6  , 10 ) -2 -4 6 10 d) A = ( –2, 4 )    B = ( –6  , 10 ) -2 4 -6 10 e) A = ( 2, 4 )    B = ( 6  , –10 ) 2 4 6 -10 f) A = ( 2, –4 )    B = ( 6  , –10 ) 2 -4 6 -10 g) A = ( –1, 10 )    B = ( 4  , –10 ) -1 10 4 -10 h) A = ( 4, 2 )    B = ( 6  , – 8) 4 2 6 -8 i) A = ( –4, –8 )    B = ( 4  , 8 ) -4 -8 4 8 j) A = ( 3, 1 )    B = ( 12  , 37 ) 3 1 12 37 k) A = ( –4, 20 )    B = ( 2  , –15 ) -4 20 2 -15 Q2) A line has gradient 3 and passes through the point ( 4, 8 ) 3 4 8 c Find another point which lies on the line: x = y = A line has gradient –3 and passes through the point ( –4, –8 ) -3 -4 -8 c Find another point which lies on the line: x = y = Q3) A line has gradient 4 and passes through the points ( 2, 3 ) and ( 6, y ). 4 2 3 6 y = A line has gradient -6 and passes through the points ( x, 3 ) and ( 6, 12 ). -6 3 6 12 x = Q4) The line joining the points A = ( 0, 2 ) and B = ( 10 , 7 ) is shown in the plot below. Gradient of line AB = 0 2 10 7 [No canvas support] Next, choose two new points, C and D so that the lines AB and CD meet at right angles. C x y D x y Check: Gradient of line CD =