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This shows four examples just to cover a variety of "looks". There is at least one of each tyoe,
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This talks about why we need two equations to solve for two unknown values, and then demonstrates how to add two equations together to eliminate one varaible and solve for the other one, then find…
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This shows the method of using the point-slope form to write the equation, then solving that form for y to get y = mx + b.
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This demonstrates two ways of dealing with a literal equation that has parentheses which adds an extra step in the process in the first method, bu t not the second.
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Demonstrates simplifying fractionis within fractions.
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Another example of simplifying a fraction in parentheses raised to a power
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Using the slope formula, we enter the given information and then solve for the unknown coordinate.
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Describes how and why the slopes of parallel and perpendicular lines can be found
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Demonstrates how to graph this tyep of equation by finding three points, but also how you can find just one point and use the slope "m" to find others.
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Explains the pitfalls that you need to know about to correctly do this problem. It is not as easy as it seems at first glance, so pay close attention to this video.
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Solving for a variable inside parentheses demystified.
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Multiplying both sides of an euqation with fractions by the reciprocal of the coefficient that is with the variable.
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Given two fractions with different denominators, we will find the LCD (least common denominator) for these fractions. The answer is larger than or equal to both denominaotrs, but is the smallest…
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