Find the distance between the planes. 2x-5y+5z=-6 and 2x-5y+5z=-55

Answer 1

The coefficients of x, y, and z are 2, -5, and 5, correspondingly, for both equations, so the two planes are parallel. Therefore, you just need to take the absolute value of the difference between the constants -6 and -55 and you get 49.