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Do Now 5/18/11 Take out HW from last night. Copy HW in your planner.
Punchline worksheets #115 & 116. Copy HW in your planner. Text p. 479, #8-18 evens, all, evens & 44 Quiz sections 9.3 & 9.5 Friday In your journal, find the following regarding points on a coordinate plane. What is the distance between the two points (2, 3) & (2, 7)? What is the distance between the two points (2, 3) & (-5, 3)? What is the distance between the two points (2, 7) & (-5, 3)?
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Homework Punchline worksheets 115 & 116
Did You Hear About… THE MATH STUDENT WHO WALKED AROUND A CITY BLOCK BY TAKING A SQUARE ROUTE? Where Does the Scent of a Lady’s Perfume Go? NO ONE NOSE
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Coordinate Plane y-axis Quadrant II (-,+) Quadrant I (+,+) Origin
Remember this??? Coordinate Plane y-axis Quadrant II (-,+) Quadrant I (+,+) Origin (0,0) x-axis Quadrant III (-,-) Quadrant IV (+,-)
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Plotting Points (2,4) (-3,4) (2,-3) (-6,-4) y-axis x-axis
Remember this??? Plotting Points ordered pair (2,4) y-axis (-3,4) 5 C 4 A 3 (2,-3) 2 1 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 x-axis -1 (-6,-4) -2 -3 B D -4 -5
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Describe the Location of Each Point.
Remember this??? Describe the Location of Each Point. y-axis Quadrant 2 5 Quadrant 1 4 3 C x-axis 2 A 1 -6 -5 F -4 -3 -2 -1 1 2 3 4 5 6 x-axis -1 Quadrant 4 -2 Quadrant 3 E -3 D -4 B -5 y-axis
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Objective SWBAT find the distance between two points
SWBAT find the midpoint of a line segment
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What is the distance between points A and B?
y-axis (-3,4) (2,4) 5 4 A C 3 2 7 units 1 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 x-axis -1 -2 -3 B (2,-3) -4 -5
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What is the distance between points C and A?
5 units y-axis (-3,4) (2,4) 5 4 A C 3 2 1 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 x-axis -1 -2 -3 B (2,-3) -4 -5
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What is the distance between points C and B?
y-axis (-3,4) (2,4) 5 4 A C 3 2 1 -6 -5 -4 -3 -2 -1 1 2 3 4 5 6 x-axis -1 -2 -3 B (2,-3) -4 -5
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Section 9.5 “The Distance and Midpoint Formulas”
Distance Formula y To find the distance between two points x
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Find the distance between (6,3) and (5,7)
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Find the distance between (-1,3) and (5,2)
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Section 9.5 “The Distance and Midpoint Formulas”
y Midpoint Formula The midpoint (middle point) between two points can be found by: x
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Find the midpoint of a line segment with endpoints (-1,-2) and (3,-4)
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Find the midpoint of a line segment with endpoints (6,-3) and (4,-7)
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Homework Text p. 479, #8-18 evens, all, evens & 44
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