Mathematics
Plot the points A(1, 1), B(4, 7) and C(4, 10) on a graph paper. Connect A and B, and also A and C.
Which segment appears to have steeper slope, AB or AC?
Justify your conclusion by calculating the slopes of AB and AC.
Related Questions
Find the value(s) of k so that PQ will be parallel to RS. Given :
(i) P(2, 4), Q(3, 6), R(8, 1) and S(10, k)
(ii) P(3, -1), Q(7, 11), R(-1, -1) and S(1, k)
(iii) P(5, -1), Q(6, 11), R(6, -4k) and S(7, k2)
The points (K, 3), (2, -4) and (-K + 1, -2) are collinear. Find K.
A(5, 4), B(-3, -2) and C(1, -8) are the vertices of a triangle ABC. Find :
(i) the slope of the altitude of AB,
(ii) the slope of the median AD and
(iii) the slope of the line parallel to AC.