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A brief informal reasoning of why any division can be changed to a multiplication by reciprocating the second number or fraction, i. e. the number going into the other number. Then an example of…
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A quick justification of dividing fractions by multiplying by the reciprocal of the second fraction in the division followed by an example that involves reducing the common factors in the numerator…
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This states the Multiplicative Propery of Inequality, then demonstates how it works with two examples.
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Simplification of two fractions withing a larger fraction. Both fractions have only multiplied factors in both numerator and denominator.
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An explanation of two single fractions divided with monomial denominators and how to simplify them
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Demonstrates simplifying fractionis within fractions.
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Shows how to convert Ax + By = C to y = mx + b then what and why the slopes for parallell and perpendicular lintes are what they are.
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A couple of examples that combine sign combinations for diviision and using Keep/Change/Flip to convert fractioinal division to multiplication.
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Just a short application of the "keep, change, flip" technique.
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Uses the keep, change, flip mnemonic to demonstrate how you change all divisions of fractions to a multiplication of related fractions.
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Shows you how to flip numbers or fractions to get the reciprocal. Hope it is obvious that reciprocals multiplied equal one.
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