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Valerie's work deriving the distance formula for length d is shown.
Evaluate her work and explain any errors.
-4
(x, y)
(xy)
2-d
(Y₁₂-Y)
о
-2-(x-x)
d=(x,-x)²+(y₂-y)
4
x+
a right angle.
wrote the length of each of the legs.
She chose a point that
She
She
in the equation.
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Valeries work deriving the distance formula for length d is shown Evaluate her work and explain any errors 4 x y xy 2d YY о 2xx dxxyy 4 x a right angle wrote th class=


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