Question 93773
First convert -2x+7y=13 into slope intercept form


*[invoke converting_linear_equations "standard_to_slope-intercept", -2, 7, 13, 2, 1]


Now lets find the equation of the perpendicular line

*[invoke equation_parallel_or_perpendicular "perpendicular", "2/7", "13/7", 6, 0]