Answer:
![y=(-1)/(2)x +(5)/(2)](https://img.qammunity.org/2021/formulas/mathematics/high-school/b0hm934zcw0i3if92pc8y1piyxbrv0jx9b.png)
Explanation:
Slope intercept form looks like y=mx+b
The slope (m) needs to be the opposite reciprocal of 2, because the line needs to be perpendicular the given line. Therefore, m = -1/2
We can write the equation in point-slope form first because we're given a point and now we have the slope. The equation would be
![y-0=(-1)/(2) (x-5)](https://img.qammunity.org/2021/formulas/mathematics/high-school/h9n0fk4ubudy728g8q7kgrrxj4cbtsmlz5.png)
Rewriting, we get
![y=(-1)/(2)x +(5)/(2)](https://img.qammunity.org/2021/formulas/mathematics/high-school/b0hm934zcw0i3if92pc8y1piyxbrv0jx9b.png)