## College Algebra 7th Edition

The point $A(6,7)$ is closer to the origin.
$d(O, A)=\sqrt{(6-0)^{2}+(7-0)^{2}}=\sqrt{6^{2}+7^{2}}$ $=\sqrt{36+49}=\sqrt{85}$. $d(O, B)=\sqrt{(-5-0)^{2}+(8-0)^{2}}=\sqrt{(-5)^{2}+8^{2}}$ $=\sqrt{25+64}=\sqrt{89}$. The point $A(6,7)$ is closer to the origin.