9. Find k if the line passing through points P(-12,-3) and 0(4, k)has slope10. Show that the line joining the points A(4, 8) and B(5, 5) is parallel to the line11. Show that points P(1,-2), Q(5,2), R(3,-1)12. Show that the [ ] PQRS formed by P( 2,1), Q(-1,3), R(-5-3) and S(-2,-5)13. Find the lengths of the medians of a triangle whose vertices are A(-1, 1),joining the points C(2,4) and D(1,7).parallelogramrectangleB(5, -3) and C(3, 5), S(1,-5) are the vertices of ais a

9. Find k if the line passing through points P(-12,-3) and 0(4, k)has

1.	9. Find k if the line passing through points P(-12,-3) and 0(4, k)has slope10. Show that the line joining the points A(4, 8) and B(5, 5) is parallel to the line11. Show that points P(1,-2), Q(5,2), R(3,-1)12. Show that the [ ] PQRS formed by P( 2,1), Q(-1,3), R(-5-3) and S(-2,-5)13. Find the lengths of the medians of a triangle whose vertices are A(-1, 1),joining the points C(2,4) and D(1,7).parallelogramrectangleB(5, -3) and C(3, 5), S(1,-5) are the vertices of ais a
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