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How to graph a line, How to Find Slope of a Line?
by: Yassin Hamdy, How…
How to graph a line
Using a value table (both input and output): *obtain ordered pairs, plot them, and graph them.
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Using the formula y=mx+b (where m represents the slope and b represents the y-intercept): To graph, first plot the y-intercept (b), then Rise and Run using the slope (m).
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How to use y=mx+b?
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m = slope; use m to determine Rise/Run and the direction of the line (positive or negative).
b = y-intercept (where the line intersects the y axis) The point of intersection has x equal to zero (because it is on the y axis), so you can find a point on the line (0,b)
To graph a line, use the slope (m) and the point (0,b).
Knowing the slope and the y-intercept point, you can write an equation for a line.
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