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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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This video describes why the method for finding the intercepts works, then demonstrates finding the intercepts for an example equation and graphing its line.
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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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This demonstrates how to find these values for a quadratic equation of the form y = ax^2 + bx + c.
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This gives a graph of a parabola which is the graph of a quadratic equation or function. The demonstration first includes classifying it as a parabola that is opening downward or upward. Then it…
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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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Demonstrates how to solve a standard form equation for y to get the slope-intercept form y = mx + b
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Demonstrates how to start at the y-initercept point on the grid and then use the slope to find other points on the line graph.
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A second video describing how to find x- and y-intercepts.
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Shows how to substitute zero for y to find the x-intercept and zero for x to find the y-intercept.
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Finding the points where a particular graph crosses each axis on the x-y coordinate plane.
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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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