Search for tag: "proportion"

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Solving a rational equation that simplifies to… duration 7 minutes 48 seconds Solving a rational equation that simplifies to… Solving a rational equation that simplifies to quadratic: Proportional form, advanced	Solving a rational equation that simplifies to quadratic: Proportional form, advanced 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 … math math emporium lcd proportion quadratic times side sides answers divide answer minus equals thing multiplies equation checks thirds threes possibility eliminate bottom lc From Tom Grant 10 plays 0
Solving for a variable in terms of other… duration 1 minute 22 seconds Solving for a variable in terms of other… Solving for a variable in terms of other variables in a rational equation: Problem type 1	Solving for a variable in terms of other variables in a rational equation: Problem type 1 Demonstrates how to rearrange a proportion to isolate a chosen variable. Note that none of the variables are elliminated, simply moved to new positions. math math emporium variable capital times sides answer x. multiplication denominator fraction fractions collision proportion equation kind variables From Tom Grant 11 plays 0
Solving a rational equation that simplifies to… duration 5 minutes 6 seconds Solving a rational equation that simplifies to… Solving a rational equation that simplifies to quadratic: Proportional form, basic	Solving a rational equation that simplifies to quadratic: Proportional form, basic Single fractions set equal to each other forms a proportion. When presented with this, it can be "cross multiplied" to eliminate the fractions. The resulting equation has a term with the… math math emporium cross multiplication proportion quadratic equation equations side linear equation answers sides subtraction x. bottom times ratio form checks objects equals answer works thing numbers alright From Tom Grant 6 plays 0
Applying the percent equation: Problem type 1 duration 3 minutes 4 seconds Applying the percent equation: Problem type 1 Applying the percent equation: Problem type 1	Applying the percent equation: Problem type 1 Using the proportion %/100 = Amount/Base to plug in what's given to find what is asked for. math math empoirum algebra proportion percents amount percent base percentage form equals equation cross ratios ratio explanations alex places rise times decimal first% questions answers From Tom Grant 14 plays 0
Solving a proportion of the form (x + a)/b = c/d duration 2 minutes 33 seconds Solving a proportion of the form (x + a)/b = c/d Solving a proportion of the form (x + a)/b = c/d	Solving a proportion of the form (x + a)/b = c/d Demonstrating why we can "cross muliply" a proportion to solve it, we then do that. math math emporium algebra proportion fraction times fractions sides denominator answer divides zeros parentheses multiplication cross sevens lcd factors thing equation videos kind proportions From Tom Grant 18 plays 0
Equivalent Fractions duration 1 minute 44 seconds Equivalent Fractions Equivalent Fractions	Equivalent Fractions Shows how to find a numerator for a larger denominator when given a simpler fraction that is set eqaul to the one with the unknown numerator. fractioins math math emporium algebra arithmetic question fractions bills dollar fourths answer mark amounts proportion times bottom form numbers From Tom Grant 18 plays 0