Question

P (-5 , 7) Q( -1 , 3)

d (P,Q)=√(x↓2 - x↓1)^2 + y↓2-y↓1)

= √(-5-(-1))^2 + (7-3)^2
=√(-5+1)^2 + (4)^2
=√(-4)^2+(4)^2
=√16+16
=32
d(PQ)= 4√2

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Answer 1

You have done good.

keep it up