Does anyone know how to solve this
The answer is B but can anyone explain why

If a line is perpendicular it means that they cross each other and make a 90 degree angle. So when a line is perpendicular it has the opposite slope rise/run then the other line since the line p crosses (0,1) and the slope is opposite it would pass B (0,-1)

im sorry its kinda bad answer hope it makes a little sense and you understand somthing :)

Step-by-step explanation:

to plot points   for x just start at the origin (middle) and go to the left however many times it say(if the number is a positive) if the number is a negative then go right however many times it says if it is 0 go nowhere

now keep you pencil there and go up however many times it says on y(if it is positive) if it is negative then go down however many times it says. if it says 0 go nowhere.

you have just plotted a point! now when you finish plotting all of them connect them with a ruler

plot each point as (-3, 7), (0,4), (3,1), (8,-4)   in the parenthesis on the left of the comma is x and the right is y.