Solve the problem for the given information.
-Find the equation of a line passing through the origin and making a $45 ^ { \circ }$ angle with the positive $x$-axis.
A) $y = \frac { \sqrt { 3 } } { 3 } x$
B) $y = \frac { \sqrt { 2 } } { 2 } x$
C) $y = x$
D) $y = - x$

Question

Quizplus · Accepted Answer

The slope of a line making a $45^\circ$ angle with the positive $x$-axis is $\tan(45^\circ) = 1$. Thus, the equation of the line is $y = x$.

Solve the Problem for the Given Information 45∘45 ^ { \circ }45∘

Solve the Problem for the Given Information $45 ^ { \circ }$