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A short discussion of how compunde interest works and why the amount in a compound interest account grows more and more quickly.
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This video gives the formula for calculating compound interest and then demonstrates how to calculate the future amount after a given number of years.
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This video explains the situation we are trying to minimize or maximize and the role of the input and output variables. Then the process of finding the location and value of the requested amount is…
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Shows how to separate out the persct square so they can become whole numbers or expression leaving the remaining factors under the square root.
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A demonstration of how factoring is used to discover the minumum number of factors that need to be combined to find the smallest denominator that can be used as the LCD of the two given fractions.
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Expands each monomial as a list of all of its prime factors, then showing those that both lists have in common to develope the GCF.
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This demo takes some thought so you may want to watch it a few times to fully understand. Writing the expression and then we simplify it so that it is more usable in future.
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This demonstrates how to write the function that includes the initial amount multiplied by the percent remaining or the initial amount multiplied by one plus the percent increase, with either being…
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A two-step process involving first removing the greatest common factor from both terms, then factoring the resulting difference of squares.
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Reminder of the negative exponent rule, then transforming a couple of numerical expressions with negative numbers as bases as well as exponents.
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Demonstates how to interpret a graph of a system of functions so that common questions that someone might have can be answered.
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Describes a situation that can be written as a function of the number of weeks a certain amount it saved and the resulting functional value is the amount still needed to be saved to buy something. …
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Using the slope formula, we enter the given information and then solve for the unknown coordinate.
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This video shows how to compute the percentage of a price increase. A price decrease is worked the same way and the percentage is taken of the first and higher price.
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Uses the technique of adding the percentages fiirst before multiplying so that the answer is immediate.
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Just finding the amount of increase or decrease in these types of percent problems.
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