Answer:
y=(1/2)x -3
Step-by-step explanation:
Simplify equation:
4x+2y=10
2y= -4x+10
y= -2x+5
Insert coordinates (trying to find b) (perpendicular lines have opposite reciprocal slopes) :
-1= (1/2)(4)+b
-1=2+b
-3=b
Insert b and new slope to equation:
y=(1/2)x -3
