Recent content by frusic

Thanks Dick and JG, it makes sense! I think I was making it harder than it actually was :)

Yes I'm sure, but I'm not sure what the numbers of perpindicular normal vectors look like. Like, the example of parallel vectors I gave above - I recognize those as being parallel, but I'm not sure how to tell if something is perpendicular unless the vectors are drawn out.

Determine whether the planes are perpindicular (-2, 1, 4) . (x-1, y, z+3) = 0 (PLANE A) (1, -2, 1) . (x+3, y-5, z) = 0 (PLANE B) Here's what I have figured out so far: Plane A passes through (1,0,-3) and is perpendicular to (-2,1,4) Plane B passes through (-3, 5, 0) and is...