Question

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

Answer 1

Do you know the midpoint formula?

Answer 2

Yes xm=x1=x2/2 and ym=y1=y2/2

Answer 3

ow ok i get it thankyou

Answer 4

is the midpoint (4,0)

Answer 5

Not quite. The formula for midpoint is;
\[Midpoint=\left( \frac{ x_1+x_2 }{ 2 },\frac{ y_1+y_2 }{ 2 } \right)\]

Answer 6

(4,0) the answer

Answer 7

Nope. Plug (12, -7) and (-4, 7) into the formula;

\[Midpoint=\left( \frac{ 12-4 }{ 2 },\frac{ -7+7 }{ 2 } \right)\]
Try now..

Answer 8

Oh, wow big mistake on my part, haha. Yes you are right.

Answer 9

ok