#### Answer

y = 2x

#### Work Step by Step

First find the slope using the two given points. To find the slope use the slope definition. m = $\frac{8-0}{4-0}$ = 2
Use the point slope form equation of the line to find the equation of the line. Note that you can plug in either point on the point-slope-form equation. y - 0 = 2(x-0)
Simplify: y = 2x