Correct. The y-intercept of the line is the point (0, y) that lies on the line. If $\displaystyle{x}={0},\usepackage{cmbright}\Huge\$ then $\displaystyle{4}{\left({0}\right)}-{4}{y}={10},\usepackage{cmbright}\Huge\$ so the y-intercept is (0, -2.5).