SOLUTION: I need to find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a).

SOLUTION: I need to find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a).

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Question 237373: I need to find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a).
Answer by College Student(505) (Show Source): You can put this solution on YOUR website!
The distance formula between two points is:

Now all you need to do is substitute values and solve algebraically.

If you raise both sides of the eqn by the power of 2, you will get:

Now take the square root of both sides, you get:

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