SOLUTION: On a coordinate grid, line AB has end point B at (24,16). The midpoint at AB is P(4,-3). What is the y-coordinate of point A?

Algebra ->  Formulas -> SOLUTION: On a coordinate grid, line AB has end point B at (24,16). The midpoint at AB is P(4,-3). What is the y-coordinate of point A?      Log On


   

Question 549018: On a coordinate grid, line AB has end point B at (24,16). The midpoint at AB is P(4,-3). What is the y-coordinate of point A?
Answer by solver91311(24713) About Me  (Show Source):
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Use the mid-point formulas. You are given the coordinates of point 1, (Point B) and the mid-point, (Point P).





Substitute the given values and do the arithmetic to solve for and

John

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