The coordinates of the vertices of quadrilateral abcd are a(-4, -1), b(-1, 2).
c(5, 1), and d(1, -3)
drag and drop the choices into each box to correctly complete the sentences.
the slope of ab isi
the slope of bc
, the slope of cd is
land
i
the slope of ad isi
il
quadrilateral abcd
a parallelogram
!
because
3
+
is not
is not
both pairs of opposite sides are parallel
both pairs of opposite sides are parallel
n
only one pair of opposite sides is parallel
neither pair of opposite sides is parallel