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WARM-UP
1. How many degrees are there in a triangle?
2. What is the Pythagorean Theorem?
3. How many degrees is a right angle?
4. How many degrees is a straight angle?
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9.6 DISTANCE AND MIDPOINT FORMULASPre-Algebra
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DISTANCE FORMULA Used to find the distance between two points
on a coordinate plane
(x1, y1) and (x2, y2)
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EXAMPLES OF THE DISTANCE FORMULA
Find the distance between the two points:
1. M (8, 4) and N (-6, -2)
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EXAMPLES OF THE DISTANCE FORMULA
Find the distance between the two points:
2. A (-1, 3) and B (8, -6)
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EXAMPLES OF THE DISTANCE FORMULA
Find the distance between the two points:
3. J (5, -4) and K (-1, 3)
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MIDPOINT FORMULA Used to find the point that is halfway
between two endpoints of a line segment
Answer is ALWAYS an ordered pair (x, y)
Use: (x1, y1) and (x2, y2)
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EXAMPLES OF THE MIDPOINT FORMULA
Find the midpoint between the two points:
4. J (5, -4) and K (-1, 3)
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EXAMPLES OF THE MIDPOINT FORMULA
Find the midpoint between the two points:
5. B (4, 1) and C (-2, 5)
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EXAMPLES OF THE MIDPOINT FORMULA
Find the midpoint between the two points:
6. R (3, -6) and S (1, -4)
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9.6 STUDY GUIDE AND INTERVENTION
1. 3.
5. 7.
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9.6 STUDY GUIDE AND INTERVENTION
9. 11.
13. 15.