Question

(Geometry) Explain the distance formula. Then use it to calculate the distance between A(1,1) and B(7,-7).

Answer 1

A(1,1)    B(7,-7)
d= \sqrt{ (7 - 1) ^{2}+ (-7  -1) ^{2} } 
d= \sqrt{ (6) ^{2}+ (-8) ^{2} } 
d= \sqrt{ 36 + 64 } 
d= \sqrt{ 100 } 
d=10

Answer 2

Answer:

is this right?

Step-by-step explanation: