Algebra Examples

Graph y=3x+1
Step 1
Use the slope-intercept form to find the slope and y-intercept.
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The slope-intercept form is , where is the slope and is the y-intercept.
Find the values of and using the form .
The slope of the line is the value of , and the y-intercept is the value of .
Slope:
y-intercept:
Slope:
y-intercept:
Step 2
Any line can be graphed using two points. Select two values, and plug them into the equation to find the corresponding values.
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Create a table of the and values.
Step 3
Graph the line using the slope and the y-intercept, or the points.
Slope:
y-intercept:
Step 4
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