Question

Find the coordinates of the midpoint of AB. A(12, -7) and B(-4, 7).


A. (-8, 7)
B. (4,0)
C. (8, -7)
D. (8, 0)

Answer 1

Do you know the midpoint formula?

Answer 2

I do not

Answer 3

Okay so the mid point formula is .5(x1 + x2), .5(y1 + y2)

Answer 4

Plug in:
x1 - 12
x2 - -4
y1 - -7
y2 - 7

Answer 5

so I get 8 and 0

Answer 6

Divide the sum of the xs and the sum of the ys by 2

Answer 7

So 8/2 and 0/2

Answer 8

ok now what do me do?

Answer 9

Divide 8/2 and 0/2 and that is your answer.

Answer 10

so 4,0

Answer 11

Yeah.

Answer 12

thnaks

Answer 13

http://answers.yahoo.com/question/index?qid=20090919173007AAaijN5. You should program this formula into your calculator.

Answer 14

You're welcome