SOLUTION: Point P is located at (3, 3) and Point Q is located at (1, 1). If Points P, Q and R are located on the same line and the x-coordinate of R is -2, what is the y-coordinate?

Question 881226: Point P is located at (3, 3) and Point Q is located at (1, 1).
If Points P, Q and R are located on the same line and the x-coordinate of R is -2, what is the y-coordinate?
Found 2 solutions by josgarithmetic, MathTherapy:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find equation of the line using its two known points.
Find y for x=-2.

Simplify that.
Let x=-2 and comptute y.
Answer by MathTherapy(10551) (Show Source): You can put this solution on YOUR website!

Point P is located at (3, 3) and Point Q is located at (1, 1).
If Points P, Q and R are located on the same line and the x-coordinate of R is -2, what is the y-coordinate?

It's obvious that , so if x = - 2, then
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