Question

Show by using slope that the figure with vertices A(-5, -2), B(-4, 2), C(4, 5), and D(3, 1) is a parallelogram.

Slope of AB =

Slope of CD =

Slope of BC =

Slope of AD =

Answer 1

What's the slope formula?

Answer 2

m1m2=-1 ?

Answer 3

http://www.wlhs.wlwv.k12.or.us/kintzn/JPEG's/3g_slope_formula.jpg

Answer 4

so what do i do??

Answer 5

Find the slope obviously. lol

Answer 6

-.-

Answer 7

:D

Answer 8

For AB,
\[Slope=\frac{2-(-2)}{-4-(-5)}\]

Answer 9

0/3?

Answer 10

wait wait noo

Answer 11

Lol.
2-(-2) = 2+2 = 4

Answer 12

waittt..... but--> 2-(-2) changes negative to positive two?

Answer 13

but the minus sign doesnt change.. or does it?

Answer 14

Yes it does, - times - equals +.

Answer 15

So,
2-(-2) = 2+2 = 4

Answer 16

-.-

Answer 17

totallyforgot. thanks

Answer 18

No worries. ^_^