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CBSE Notes 2011-2012 » XI-Maths

Straight Lines

For what values of x, the area of the triangle formed by the points (5,-1), (x,4) and (6,3) is 5.5 s...

Short answer question

For what values of x, the area of the triangle formed by the points (5,-1), (x,4) and (6,3) is 5.5 sq. units ?

Two points A(3, 4) and B(5, - 2) are given, find the point P such that PA = PB and area of AABP = 20...

Short answer question

Two points A(3, 4) and B(5, - 2) are given, find the point P such that PA = PB and area of AABP = 20.

Find the slope of each of the lines passing through the points. (i) A (3,2), B(- 1,6) (ii) P(0,2), Q...

Short answer question

Find the slope of each of the lines passing through the points.
(i) A (3,2), B(- 1,6) (ii) P(0,2), Q (1,5)
(iii) P(-1,7), Q(0,3) (iv) R (a2, b), S (b2 a).

Slope of a line joining the points (7,3) and (k,2) is -4 . Find the value of k.

Short answer question

Slope of a line joining the points (7,3) and (k,2) is -4 . Find the value of k.

Determine whether the line joining the following points are parallel, perpendicular or neither : (i)...

Short answer question

Determine whether the line joining the following points are parallel, perpendicular or neither :
(i) (3,7), (1,4) and (-2,4), (0,3) (ii) (1,4), (3,6) and (-1,5), (2,8)
(iii) (3,2), (4,5) and (2,3), (5,2). (iv) (0,0), (6,7) and (0,0), (7,6).

Find the value of 6p' such that the line passing through the points (-4,p) and (1,3) is (i) parallel...

Short answer question

Find the value of 6p' such that the line passing through the points (-4,p) and (1,3) is (i) parallel (ii) perpendicular to the line passing through the points (-2,5) and (8,7).

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