SOLUTION: if a straight line with slope 5 contains the points (1,2) and (3,k), the value of k is?

Question 236804: if a straight line with slope 5 contains the points (1,2) and (3,k), the value of k is?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
if a straight line with slope 5 contains the points (1,2) and (3,k), the value of k is?
.
Given two points on a line, slope is defined as:
m = (y2-y1)/(x2-x1)
.
In your problem, they give:
two points: (1,2) and (3,k)
slope: 5
.
Plugging into:
m = (y2-y1)/(x2-x1)
5 = (k-2)/(3-1)
5 = (k-2)/(2)
10 = k-2
7 = k
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