Question

The points (w,10) and (4,1) fall on a line with a slope of 9. What is the value of w? w=

Answer 1

w=5

Explanation:

The slope is 9, and notice how the y-value goes up 9. Rise over run shows it goes up 9 and right one. At (4,1) if you go up 9 and right 1, you get (5,10). w is the x-value in that coordinate, so w=5.