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# May 20, 2014

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### May 20, 2014

1. 1. Today:  Review: Radical Equations, Pythagorean Theorem, Distance & Midpoint Formulas  Test Thursday on above concepts  Class Work
2. 2. L M (-4, -9) (5, 3) How do we solve this problem? Pythagoras? Distance? Midpoint? = 15 Distance = ( x2 - x1 )² + ( y2 - y1 )² Find the length of the line segment LM below
3. 3. Point M represents the midpoint of line segment VW. What is the total length of VW? From yesterday’s class work. Find the missing coordinate given the distance shown. What is the relationship between the lengths 4x -1 and 3x + 3? x = 3015; the length of VW is
4. 4. A variation of the second type of midpoint problem. Find the missing value of h in the points (5,7) and (1,h) if its midpoint lies at (3, -2) X1 + X2 2 = X MID Y1 + Y2 2 = Y MID
5. 5. The endpoints of RS are R(1,–3) and S(4, 2). Find the coordinates of the midpoint M. The coordinates of the midpoint (M) are (2.5, -.5)
6. 6. What is the distance in miles from Salinas to Las Vegas? (Round to nearest mile) 219 miles
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