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**Unformatted text preview: **1 2 y y x x d-+-= The Distance Formula Distance Formula Martin-Gay, Beginning and Intermediate Algebra, 4ed 8 Find the distance between (-5, 8) and (-2, 2). ( 29 ( 29 2 1 2 2 1 2 y y x x d-+-= ( 29 ( 29 2 2 2 8 ) 2 ( 5-+---= d ( 29 ( 29 2 2 6 3 +-= d 5 3 45 36 9 = = + = d The Distance Formula Example: Martin-Gay, Beginning and Intermediate Algebra, 4ed 9 The midpoint of the line segment whose endpoints are ( x 1 , y 1 ) and ( x 2 , y 2 ) is the point with coordinates 1 2 1 2 , 2 2 x x y y + + ÷ The Midpoint Formula Midpoint Formula Martin-Gay, Beginning and Intermediate Algebra, 4ed 10 Find the midpoint of the line segment that joins points P (-5, 8) and P (-2, 2). 1 2 1 2 , 2 2 x x y y + + ÷ The Midpoint Formula ( 29 5 2 ( ) ( ) , 8 2 2 2 +-+-= ( 29 7 10 , 2 2-= ( 29 3.5,5 = -Example:...

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