Question

Find the equation of the line perpendicular to
X + 2y = -2 and passes through (-1, 2)

Answer 1

Answer:

2x-y+4=0

Step-by-step explanation:

X -2Y =-2

(X + 2)/2=y

m1 = 1/2

since perpendicular

m1×m2 = -1

therefore m2 = -2.

apply one point formula.

(y-y1)=m (x-x1)

(y-2)=-2 (x+1)

y - 2 = 2x + 2

therefore 2x-y+4=0.