A rectangle is drawn in a standard xy-coordinate plane. If the sides of the rectangle are not parallel to the axes, what is the product of the slope of the four sides?
A.-1
B.0
C.1
D.2
E.It cannot be determined from the information given.
我的答案:
A rectangle is drawn in a standard xy-coordinate plane. If the sides of the rectangle are not parallel to the axes, what is the product of the slope of the four sides?
A.-1
B.0
C.1
D.2
E.It cannot be determined from the information given.