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This shows how to use the LCD of the two fractions that form a proportion to simplify the equation to a quadratic equation, then solve the quadratic by factoring and check the validity of the …
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Describes how to approach solving a radical eqaution, then demonstrates the stepss needed. It finishes with a check of the answers, stressing that this is an essential step.
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Two examples of how to apply a fractional exponent to a whole number base.
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Two examples of how to deal with fractional exponents on negative numbers.
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A second look at factoring the top and bottom of a fraction in algebra that then reduces that fraction.
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This shows how to factor the numerator and denominator of a fraction in algebra so that we can reduce the same factors ono the top and the bottom because they divide to one.
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This demonstrates how some quadratic equations need to be simplified and put in standard form before the quadratic expression can be factored so the factors can be set to zero and solved.
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This applies the factoring methods learned previously to solving a quadratic equation in standard form, that is with all th eterms on the left of the equals sign and 0 on the right
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Demonstrates how to multiply a single term by an expression with more than one term but containied in parentheses. using distribution.
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Shows how to identify the four different categories for slopes of straight line graphs
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A second video describing how to find x- and y-intercepts.
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Three quick demos, two subtractions and an addition which need adjusting first to create a common denominator
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A quick lesson on what happens in a division problem that includes zero as one of the numbers
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