What is the slope of the line ax + by = c? Find an equation for the line through the origin that is parallel.
A) The slope is -a/b, and an equation for the parallel line is y = -a/bx.
B) The slope is -b/a, and an equation for the parallel line is y = -b/ax
C) The slope is a/b, and an equation for the parallel line is y = a/bx .
D) The slope is b/a, and an equation for the parallel line is y = b/ax .