solve for y

Question

Two points on a line are (6, 6) and (-2, y). The slope of the line is 2.

Answer 1

Two points on a line are (6, 6) and (-2, y). The slope of the line is 2.  Solve for y.

 

For this problem, you need the point-slope form of a straight line:

 

(y - y₁) = m*(x - x₁)

 

Where (x₁,y₁) is a known point on the line and (x,y) is another point on the line. In your problem:

 

m = 2

(x₁,y₁) = (6,6)

(x,y) = (-2,y)

 

Put these values into the point-slope equation above and solve for y.