Question

thelma wants to find the equation of a line that passes through the point (2,2) and is perpendicular to the line y=1/2x+5

Answer 1

perpendicular  slope :

m1 * m2 = -1

1/2 * m2 = -1

m2 = -2

y = -2x + b
 

2 = -4  +b

b = 6 

y = -2x + 6