Question

PLEASE HELP ME ITS ON TEST
calculate the coordinates of the orthocentre for the triangle with vertices A(-2,9) b(6,1) C(-6,-7)

Answer 1

Are you taking a test right now?

Answer 2

hahaha no its for tommorow its like 8 pm here

Answer 3

can u help plz?

Answer 4

So it's just the "average" of these three points.

Take the x ordinates and add: -2 + 6 - 6 = -2
now divid by 3 to get the average: -2/3

Now do the same with the y-ordinates

Answer 5

can u help em go through it i dont understand

Answer 6

so what are the x values of A, B and C
They are -2, 6 and -6, yes?

Answer 7

because those points are:
A = (-2,9)
B = (6,1)
C = (-6,-7)