1. Determine M, ponto médio de AB, nos seguintes casos:a)A (2...

Considerando M( x_{M} , y_{M} )M(x

M

,y

M

) , temos:

a)

x_{M} = frac{3 +(-1)}{2} = frac{2}{2} = 1x

M

=

2

3+(−1)

=

2

2

=1

y_{M} = frac{-2 + (-6)}{2} = frac{-8}{2} = -4y

M

=

2

−2+(−6)

=

2

−8

=−4

M (1, -4)M(1,−4)

b)

x_{M} = frac{0 + 6}{2} = frac{6}{2} = 3x

M

=

2

0+6

=

2

6

=3

y_{M} = frac{7 + 0}{2} = frac{7}{2} = 3 frac{1}{2}y

M

=

2

7+0

=

2

7

=3

2

1

M ( 3 , frac{7}{2} )M(3,

2

7

) ou M (3, 3 frac{1}{2} )M(3,3

2

1

)