Need math help with: Find the slope of a line perpendicular to the line that has x-intercept (1,0) and has y-intercept of (0,−4).

Need math help with: Find the slope of a line perpendicular to the line that has x-intercept (1,0) and has y-intercept of (0,−4).

Find the slope of a line perpendicular to the line that has x-intercept (1,0) and has y-intercept of (0,−4).