2.8 – Graphing Inequalities. Steps for graphing inequalities:
Answers to graphing WS
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Answers to graphing WS
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Answers to graphing WS
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Answers to graphing WS
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3-d Distance, Midpoint, and Intercepts
3-D TEST: Sept. 29 (Wednesday)Midterm: Oct. 6
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Finding the distance between 2 points
2122
122
12 zzyyxxd 2122
12 yyxxd
2D (x, y)3D (x, y, z)
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Finding the distance between 2 points in 3-dimentional space
(3, -2, 5)
(-1, 4, -2)
2122
122
12 zzyyxxd
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Find the distance between the 2 points
1. (10, 2, –3 ) and (6, 4, –5)
2. (–1, 3, 4) and (0, –5, 2)
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Finding the midpoint of the 2 points
2,
22121 yyxxMP
2D (x, y)3D (x, y, z)
2,
2,
2212121 zzyyxxMP
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Find the midpoint of the 2 points
1. (10, 2, –3 ) and (6, 4, –5)
2. (–1, 3, 4) and (0, –5, 2)
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Graph the equation of the plane3x + 2y + 4z =12
Find the x, y and z intercepts by plugging in 0’s.
X
Z
Y
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Homework
• Distance/Midpoint/Intercepts WS