What is the distance between #(3,7)# and # (–4, 7) #?

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Answer 1 · 2015-12-15T12:54:52

#=color(blue)(7#

#(3,7) = color(blue)((x_1 , y_1))#

#(-4,7) = color(blue)((x_2,y_2))#

Distance is calculated using formula:

distance #=sqrt((x_2-x_1)^2 +(y_2-y_1)^2#

#=sqrt((-4-3)^2 +(7-7)^2#

#=sqrt((-7)^2 +(0)^2#

#=sqrt((49)#

#=color(blue)(7#