What is the distance between the points #L(-7,0)# and #Y(5,9)#?

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Answer 1 · 2016-03-11T13:44:47

#d= 15#

#color(blue)((-7,0)and(5,9)#

Use distance formula

#color(brown)(d=sqrt((x_1-x_2)^2+(y_1-y_2)^2)#

So,

#color(purple)(x_1=-7,x_2=5#

#color(purple)(y_1=,y_2=9#

#rarrd=sqrt((-7-5)^2+(0-9)^2)#

#rarrd=sqrt((-12)^2+(-9)^2)#

#rarrd=sqrt(144+81)#

#rarrd=sqrt225#

#color(green)(rArrd=15#