Correct. Since the line $\displaystyle{y}=-\frac{{4}}{{3}}{x}-{2}\usepackage{cmbright}\Huge\$ has slope $\displaystyle-\frac{{4}}{{3}}\usepackage{cmbright}\Huge\$ , any line perpendicular to it will have slope $\displaystyle\frac{{3}}{{4}}\usepackage{cmbright}\Huge\$ , or 0.75 in decimal form.