Question

Answer the following question:

Find the value of k if the slope of the line passing through the points P(3, 4), Q(5, k) is 9

Answer 1

P(3, 4), Q(5, k) and slope of PQ = 9

∴ `("k" - 4)/(5 - 3)` = 9

∴ k – 4 = 18

∴ k = 22.