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Question
If (2, 4) is the mid-point of the line segment joining (6, 3) and (a, 5), then the value of a is ______.
Options
2
4
– 4
– 2
Solution
If (2, 4) is the mid-point of the line segment joining (6, 3) and (a, 5), then the value of a is – 2.
Explanation:
x = `(x_1 + x_2)/2`
2 = `(6 + a)/2`
a = – 2
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