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Have you graphed it yet?
Yes, I have already graphed it.
Okay, so what is the next step?
There is just really 2 of the parts I don't understand.
I don't understand how to C. and D. After I find the Slope's.
Okay, hold on for a minute
Hmmm, yeah this is interesting. I personally wouldn't prove them to be perpendicular using the method they suggest.
They give you the points, so I would have used the slopes of the diagonals, not the quadrilateral, to prove that their perpendicular to each other.
I'm sorry It was D. & E. I was reading the wrong one lol.
I know that it is a rhombus
But I think it's silly to try to use the slope to prove that the diagonals are perpendicular
I would show it for it to be Perpendicular though?
But actually, the slopes are the same for all four sides so that might be a clue as far as the properties of a rhombus go.
So they are all the same?
Yes, what are the properties of a rhombus? All four sides equal, right?
If all four sides have the same slope, they must be equal in length. It is not possible for a quadrilateral to have four sides with the same slope and the sides not be equal
So, If it would be Perpendicular would you flip the slope and make it negative?
If all four sides of a quadrilateral are equal, by definition, it is a rhombus. Therefore, the diagonals will be perpendicular.
So is that my answer for D.?
Alright Thanks. (:
I admit, it's not a direct proof or anything like that.
You should have asked your instructor what kind of proof he or she wanted
Yeah, I should have. I asked her at the end of the day on Friday and she just said to figure what it would be after you find the slope and perpendicualar.