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Published byAldous Robbins Modified over 8 years ago
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Write the equation of the line: 1. Parallel ( ∥ ) to 8x – 2y = 6 and goes through (5, -2) in Standard form Warm up
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Midpoint Given 2 ordered pairs, it’s the AVG of the x’s and AVG of the y’s. Given 2 ordered pairs, it’s the AVG of the x’s and AVG of the y’s.
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Midpoint Formula
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Find the midpoint. 1. (3, 7) and (-2, 4) 2. (5, -2) and (6, 14) (.5, 5.5) (5.5, 6)
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Find the midpoint. 3. (3, -9) and (14, 16) 4. (12, 17) and (-7, 9) (8.5, 3.5) (2.5, 13)
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Find the midpoint. 5. (2, 3)
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Find the midpoint. 6. (1.5, 4)
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Given the midpt and one endpt, find the other endpt. 7. Midpt (3, -6) Endpt (7, -3) (-1, -9)
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Given the midpt and one endpt, find the other endpt. 8. Midpt (-1, 2) Endpt (3, 0) (-5, 4)
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Given the midpt and one endpt, find the other endpt. 9. Midpt (-4, 6) Endpt (2, 1) (-10, 11)
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Partition Line Segments (1 Dimension)
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Partition – 1 Dimension A is at 1, and B is at 7. Find the point, T, so that T partitions A to B in a 2:1 ratio.
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Partition – 1 Dimension A is at -6 and B is at 4. Find the point, T, so that T is A to B in a 2:3 ratio.
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Find a Point that Partitions a Segment in a Given Ratio a:b
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Find the coordinates of P along the directed line segment AB so that the ratio of AP to PB is 3 to 2. In order to divide the segment in the ratio of 3 to 2, think of dividing the segment into 3 + 2 or 5 congruent pieces.
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A(3, 4), B(6, 10); 3 to 2. AB has a rise of 6. 6 AB has a run of 3. 3
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A(3, 4), B(6, 10); 3 to 2. To find the coordinates of point P… 6 3
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Example 1: Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(1, 3), B(8, 4); 4 to 1.
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Example 2: Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(-2, 1), B(4, 5); 3 to 7.
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Example 3: Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(8, 0), B(3, -2); 1 to 4.
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Example 4: Find the coordinates of point P along the directed line segment AB so that AP to PB is the given ratio. A(-2, -4), B(6, 1); 3 to 2.
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Homework Partitioning Segments Worksheet
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