# What is the distance between # (0, 4, –2) # and #(–1, 4, –2) #?

##### 1 Answer

May 6, 2016

#### Explanation:

The distance between

#d = sqrt((x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2#

#sqrt((-1-0)^2+(4-4)^2+(-2-(-2))^2))#

#= sqrt(1+0+0)#

#= sqrt(1) = 1#

Alternatively, simply notice that the