my question in (slope)

Question

find the coordinates of a quadrilateral so that the slope of all four sides are negative ???

please explain your answer .

Answer 1

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.

Answer 2

i don't understand

Answer 3

what does a quadrilateral mean?