SOLUTION: A line passing through (15,19) and (10,y) is parallel to a line with slope 2. What is the value of y?

Question 351280: A line passing through (15,19) and (10,y) is parallel to a line with slope 2. What is the value of y?
Found 2 solutions by nerdybill, solver91311:
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
A line passing through (15,19) and (10,y) is parallel to a line with slope 2. What is the value of y?
.
Since slope is:
(y2 - y1)/(x2 - x1)
.

2 = (y - 19)/(10 - 15)
2 = (y - 19)/(-5)
-10 = y - 19
9 = y
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Use the formula for the slope:

Plug in your values:

Solve for

John

My calculator said it, I believe it, that settles it

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