Question

iii) passes through the point (1, -1) and is perpendicular to x + 4y = 7

Answer 1

Answer:

the line passes through (1,-1)

and perpendicular to x+4y=7

4y=7-x

y=7/4-x/4

m=-1/4

now m'=4

therefore,

Eq: y-(-1)=4(x-1)

y+1=4x-4

4x-y=5