Answer: B
3x-y=-1
Step-by-step explanation:
Slope of a Perpendicular like is the opposite reciprocal
so slope of the new line is +3
Using the new point
(2,7) write the equation to solve for B
y=mx+b
7=3(2)+b
7=6+b
1=b
then put m and b into equation
y=3x+1
rearrange
3x-y=-1
