Audio Transcript Auto-generated
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Hi I'm brian today I'm gonna help you understand direct and direct proportions.
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Just start off we're going to learn about drug proportion.
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If you want to find a direct proportion
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X and Y. You need to be going off together
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proportion is basically ratios
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1/2 equals two before two or four and 1/2 equals
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four of eight.
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Why equals K X or Y slash X equals K.
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X. And y are directly proportional
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and K is the constant of proportionality.
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To understand this
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and the graph graphical literally
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ah
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X and Y have to be increasing together
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and uh diagonal line going up that's a direct proportion on the graph.
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This is a cross product right here.
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You know sometimes you need to use a cross product in order to
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solve a direct proportion.
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Stop
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inverse proportion or indirect proportion is when
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X is increasing hawaii is decreasing.
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This happens because y is the total number and actually trying to split.
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Why equally
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this is a indirect or inverse proportional graphs.
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The
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one of the things I could see here that really defines this
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is that this is a curve
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going downwards
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that's one way how you can find an android proportion
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but but to make sure that it is
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check the coordinates or X and Y meat
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times those numbers together
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And do that for every single one.
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And if they
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all equal the same number
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that
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is an interactive or inverse proportion.
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Hopefully this helps you under
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understand this a bit better.
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Thank you for