## Posts Tagged ‘horizontal plane’

## Problem 676

What do the following equations represent in R3?

Match the two sets of letters:

a. a vertical plane

b. a horizontal plane

c. a plane which is neither vertical nor horizontal

A. 7x+8y = -3

B. x = -4

C. y = 0

D. z = 10

**Solution:-**

7x+8y = -3

a vertical plane

x = -4

a vertical plane

y = 0

a vertical plane

z = 10

a horizontal plane