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Mathematics 9 Online
OpenStudy (anonymous):

Help ? :) On a school map, the points (-7, -2), (-7, 4), (-1, -2), and (-1, 4) represent the four corners of a sand park. What are the coordinates of the center of the sand park? (-4, 3) (-3, 1) (-3, -3) (-4, 1)

hero (hero):

:/

OpenStudy (anonymous):

why the sad face?

hero (hero):

1. Find some graph paper. 2. Plot the points 3. Draw Diagonals using a ruler 4. The point where the diagonals intersect is the center of the sandbox. I'm sad because you still have not yet let me show you how to do GCF, LCD and factoring.

OpenStudy (anonymous):

lol, I still want to learn but I honestly don't have time. I have to finish 2 flvs classes by sunday

OpenStudy (anonymous):

what do i do if i dont have graph paper

hero (hero):

If you don't have graph paper, you're screwed. jk

OpenStudy (anonymous):

haha thats probably true, i guess i can try to make some

hero (hero):

No, you cannot make graph paper.

OpenStudy (anonymous):

ummmmmmm

hero (hero):

I found the center point and it took me as much time as it takes to plot four points and draw diagonals. Probably 10 seconds tops.

hero (hero):

I think in order for you to find the center points, you have to use the following formula:

hero (hero):

center point = \(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}\)

hero (hero):

Think you can figure out what the point is? \(x_1 = -7 \\ x_2 = -1 \\ y_1 = -2 \\ y_2 = 4\)

OpenStudy (anonymous):

yes thankyou :)

hero (hero):

You didn't tell me what you think the point is.

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