13 3 And 13 4
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Transcript of 13 3 And 13 4
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Today• Review• Notes• SPICSA
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Review• We are working on a coordinate plane• The difference between points is
• The formula for a circle is
• Where (a,b) is the center and r is the radius
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More Review
• The slope of a line is
133 Parallel and Perpendicular Lines
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• Parallel lines have equal slopes
• Perpendicular lines have negative reciprocal slopes
133 Parallel and Perpendicular Lines
• A quantity with a magnitude and direction
• The magnitude is the length of the arrow
134 Vectors
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Scalar Vector• Multiply the vector by the scale factor• If
• Then
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Vector Sum
• Vectors can be added:• (a,b) + (c,d) = (a+c , b+d)
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SPICSA
• 537 2,4,6• P541 2,4,6,8,10,12
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