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Mathematics 8 Online
OpenStudy (anonymous):

i wil give somebody 2 METALS if they help me with these questions please and asap! What is the midpoint of a segment whose endpoints are (9, −9) and (−3, 7)? What is the distance between the points (–3, 4) and (4, 6)?

OpenStudy (anonymous):

For the second one all you need is a grid you can just print one out on google

OpenStudy (anonymous):

its too hard can u help me?

OpenStudy (anonymous):

we had a sub today and im sooooo confused

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

anything yet

OpenStudy (anonymous):

This one is tricky because i dont have a grid with me

OpenStudy (anonymous):

It's a little complicated not having a grid.

OpenStudy (anonymous):

^

OpenStudy (anonymous):

yes it is

OpenStudy (zpupster):

Midpoint formula is \[(\frac{ x_1 + x_2 }{ 2 },\frac{ y_1 + y_2 }{ 2 })\]

OpenStudy (zpupster):

\[x_1 = 9,\ x_2=-3,\ y_1 = -9, \y_2 = 7\]

OpenStudy (zpupster):

go to desmos .com for a grid

OpenStudy (anonymous):

The center of a circle on a coordinate plane is located at the point (2, –1). One endpoint of the diameter is located at (0, –2). What are the coordinates of the other endpoint of the diameter of the circle?

OpenStudy (zpupster):

\[d=\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}\]

OpenStudy (anonymous):

do u know the answer

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