Find distance between points A and B where A(-1,-1), B(8,-2)
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root 82
ite done by distance formula of quadratic equations
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Answer:
by distance formula ,
AB=√(x2-x1)^2 + (y2-y1)^2
=√(8+1)2 + (-2+1)2
=√9^2 + -1^2
=√81+1
=√82
therefore distance between points A and B is √82 units
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