Mr. Mendez awards extra credit on quizzes to his students with quiz grades that exceed the class mean. Given that 107 students t
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coordinates of endpoint A are (-7,12)
Step-by-step explanation:
We are given midpoint B (x,y) =(-3,5)
One endpoint C (x₂,y₂)= (1,-2)
We need to find other endpoint A (x₁,y₁).
The formula to find midpoint is:
We can find the coordinates of endpoint A using these formula.
We have x=-3, x₁=? and x₂= 1
Putting values and finding x₁
Now, y=5, y₁=? and y₂= -2
SO, coordinates of endpoint A are (-7,12)
Keywords: Midpoint of line segment
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You can reduce the expression by cancelling out common factor 
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