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10 questions from this quiz
The exact centre of a line segment
M=(x1+x22,y1+y22)M = \left( \frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2} \right)M=(2x1+x2,2y1+y2)
Averages them
Two
It averages the coordinates
(3,5)(3, 5)(3,5)
(1,2)(1, 2)(1,2)
(3,4)(3, 4)(3,4)
Geometry and coordinate problems
Finding the middle of a journey
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