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Find the coordinates of the midpoint of AB by finding the averages of the coordinates

1. A(4,3) B(8,8)
2. A(7,2) B(1,5)
3. A(-5,6) B(1,-3)
4. A(-7,-1) B(-5,-9)

Sagot :

#1

[tex]\\ \sf\longmapsto \left(\dfrac{4+8}{2},\dfrac{3+8}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{12}{2},\dfrac{11}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(6,\dfrac{11}{2}\right)[/tex]

#2

[tex]\\ \sf\longmapsto \left(\dfrac{7+1}{2},\dfrac{2+5}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{8}{2},\dfrac{7}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(4,\dfrac{7}{2}\right)[/tex]

#3

[tex]\\ \sf\longmapsto \left(\dfrac{-5+1}{2},\dfrac{6-3}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{-4}{2},\dfrac{3}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(-2,\dfrac{3}{2}\right)[/tex]

#4

[tex]\\ \sf\longmapsto \left(\dfrac{-7-5}{2},\dfrac{-1-9}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{-12}{2},\dfrac{-10}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(-6,{-5}\right)[/tex]

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