Question

Please help me! I can’t find the right equation.

Thank you!!

Answer 1

y=mx+c where m is the gradient.
If the equation is perpendicular is -
`(3)/(4)`

Use y-y1=m(x-x1)
and you should get
y+1=-
`(3)/(4)` (x+4)
4y+4=-3x-12
y=-
`(3)/(4)`x - 16