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Finding the LCD of rational expressions with… duration 3 minutes 43 seconds Finding the LCD of rational expressions with… Finding the LCD of rational expressions with quadratic denominators	Finding the LCD of rational expressions with quadratic denominators Each denominator is factored and then any common factor is used only once and all other unique factors complete the LCD math math emporium lcd least common denominator f. o. i. l. times factor negatives term x. factors denominator answer minus expression possibilities beginning end interproduct positives possibility foil pair binomials From Tom Grant 5 plays 0
Union and intersection of intervals duration 4 minutes 38 seconds Union and intersection of intervals Union and intersection of intervals	Union and intersection of intervals A demonstration of how to deal with interpreting the union and intersection of two inequalities. For a more extensive and exhaustive demo, please view the videos entitled "Understanding… math math emporium union intersection inequality infinity circle graph numbers share bracket infinities notation interval meaning direction f. lot circles parenthesis end graphs middle From Tom Grant 12 plays 0
Simplifying a quotient involving a sum or… duration 3 minutes 6 seconds Simplifying a quotient involving a sum or… Simplifying a quotient involving a sum or difference with a square root	Simplifying a quotient involving a sum or difference with a square root Demonstrations that emphasize the fact that a fraction bar acts like parentheses in that the each part of the fraction must be factored so that there is a product of factors on both top and bottomof… math math emporium factor f. o. i. l. root times multiplication parentheses fraction place fractions roots precedence factors expression calculator calculations bar radicals expressions From Tom Grant 17 plays 0
Evaluating a rational function: Problem type 1 duration 2 minutes 10 seconds Evaluating a rational function: Problem type 1 Evaluating a rational function: Problem type 1	Evaluating a rational function: Problem type 1 For an equation with f(x) equal to a rational expression, this shows how to write the substitution and simplification when putting in a particular value for x. function evaluate rational expression f(x) times expression answer fifths bottom notation thing fraction ratio result f. functions From Tom Grant 7 plays 0