Question

Given segment AB with endpoints A(2x, 4y) and B(10, 22), what is the midpoint?
A.(2x+5, 4y+11)
B.(x+2 ½ , y+5 ½)
C.(2x-10, 4y-11)
D.(x+5, 2y+11)
I know the midpoint formula, but it doesnt seem to work out right. Can someone explain it to me...

Answer 1

\[\frac{ x1 + x2 }{ 2 }, \frac{ y1 + y2 }{ 2 }\]

Answer 2

\[\frac{ 10 + 2x }{ 2 }, \frac{ 22 + 4y }{ 2 }\] now simplify those fractions

Answer 3

ok thanks. the only thing that confuses me is the variables. but let me try it real fast
...

Answer 4

you can look at it like
\[\frac{ 10 + 2 }{ 2 }\] then just remember to add the x back in on the top