Degrees(ATAN(X1 - X2)/(N1 - N2))+180
2-4x is an expression - neither an equation nor an inequality. An expression does not have xy coordinates.
XY are used to designate the Cartesian coordinates for the person reviewing the x-ray to allow them to locate things.
run
True
RUN!
[object Object]
The other end point is (8,-10).
The line is x=0 otherwise known as the y-axis.
(x-1, y)
True
Yes if it is a straight line equation
The coordinates are: (-4, -6) and (12, 2)