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This shows how to determine a common denominator when the denominators share at least one factor. A numerical version is included for more understanding, and the rational expressions are added and…
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A brief informal reasoning of why any division can be changed to a multiplication by reciprocating the second number or fraction, i. e. the number going into the other number. Then an example of…
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A quick justification of dividing fractions by multiplying by the reciprocal of the second fraction in the division followed by an example that involves reducing the common factors in the numerator…
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The informaton given here can be entered directly into the y = mx + b or slope-intercept form. Then the y-intercept is used as a starting point where you apply rise over run to the given slope to…
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Another demo on how to use the y-intercept to start a graph of a linear equation and then use the slope to find other points on the graph. It finishes with showing the line representing all of the…
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This explains how to use the slope and y-intercept to determine points on the line graph of a linear equation in two variables and then draws the straight line graph.
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Simplification of two fractions withing a larger fraction. Both fractions have only multiplied factors in both numerator and denominator.
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An explanation of two single fractions divided with monomial denominators and how to simplify them
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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 what the values in a linear relationship mean in a real situation.
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Shows how to interpret a situatioin and create an equation that creates a mathematical connection between two variables. Then by substituting a couple of input values, we can determine the outputs…
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Describes how and why the slopes of parallel and perpendicular lines can be found
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Shows how to identify the four different categories for slopes of straight line graphs
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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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