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This demo discusses how to set up two equations to solve the situation described, and then choose the best method to use to solve for each of the variables.
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A quick demonstration of how to interpret a line graph of a compound inequality and write its algebraic form.
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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 shows how to represent the two unknowns using their given relationship so that a linear equation can be written using one variable. Then that equation is solved to answer the question
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Shows how to factor the greatest common factor from a simple linear binomial
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Talks about how to interpret the words to create two equations, then solves them together using the elimination method, making opposites of one variable's terms sot that the equations can be…
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Finding the amount from taking a percentage off or adding a percentage on, then finding the new amount.
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Describes an algebraic method for finding what you need for your next score to achieve a certain average or mean.
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An introduction to distance, rate, and time problems where a chart is helpful to organize the information.
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A simple word problem to get us started with "distance equals rate (or speed) times time.
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This demonstrates how to write a wholel number as a fraction, then how to reduce t he two fractionis before you multiply the numerators and denominators together to get the result.
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Explains what slope and y-intercept mean in the context of a real-world example.
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This video demonstrates how to translate a description of an actual problem into algebraic expression and simplify it
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