## Elementary Geometry for College Students (6th Edition)

$y = cx + ({-ca+b})$
If the line is perpendicular to the line with slope -1/c, then its slope must be c. Using the point (a,b), we find: $y-b=c(x-a)$ Simplifying to slope intercept form: $y = cx-ca+b$ $y = cx + ({-ca+b})$