Pre-Algebra Examples

Find the Equation Using Point-Slope Formula (0,2) , (0,6)
,
Step 1
Find the slope of the line between and using , which is the change of over the change of .
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Step 1.1
Slope is equal to the change in over the change in , or rise over run.
Step 1.2
The change in is equal to the difference in x-coordinates (also called run), and the change in is equal to the difference in y-coordinates (also called rise).
Step 1.3
Substitute in the values of and into the equation to find the slope.
Step 1.4
Simplify.
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Step 1.4.1
Subtract from .
Step 1.4.2
The expression contains a division by . The expression is undefined.
Undefined
Undefined
Undefined
Step 2
The slope of the line is undefined, which means that it is perpendicular to the x-axis at .
Step 3