math
posted by mota on .
my question in (slope)
find the coordinates of a quadrilateral so that the slope of all four sides are negative ???
please explain your answer .

find the coordinates of a quadrilateral so that the slope of all four sides are negative ???
please explain your answer
(0,0), (5, +8), (8, +9) and (3, +1) or any similarly shaped quadrilateral.
Any line between the +y axis and the x axis or the +x axis and the y axis. will have a negative slope. 
what does a quadrilateral mean?

i don't understand