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  • one year ago

HELP REALLY NEEDED ASAP What is the coordinate of the midpoint of WQ -2 4 2 0 https://alle1333-allenschool-ccl.gradpoint.com/Resource/2159725,90A,0,0,0,0,0/Assets/testitemimages/geometry_a/tools_of_geometry/mc081-1.jpg

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  1. theEric
    • one year ago
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    The formula for the midpoint between any pair \(a\) and \(b\) is this: \[m=\frac{a+b}2\] It's the average! If you can't remember, there is a derivation. The whole length between \(a\) and \(b\) is \(b-a\). The distance from \(a\) to the midpoint is \(\frac12(b-a)\). Then simplify! So, the midpoint is at \(a+\frac12(b-a)\). \[a+\frac12(b-a)=\\a+\frac12b - \frac12a=\\\frac12b+a-\frac12a=\\\frac12b-\frac12a=\\\frac12(b-a)\]

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