SOLUTION: what is the coordinates of the midpoint for line segment JK if J(-9, 5) and K(21, -7)

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Question 1171714: what is the coordinates of the midpoint for line segment JK if J(-9, 5) and K(21, -7)
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
take the average of the two x values and the two y values.
add the x values -9 and 21 to get 12. Divide by 2 to get 6. That is the x-coordinate of the midpoint.
the y adds to -2 and half of that is -1.
The answer is (6, -1).