Finite Math Examples

Find the Slope for Each Equation 2x-3y=12 , 4x-6y=-24
,
Step 1
Rewrite in slope-intercept form.
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Step 1.1
The slope-intercept form is , where is the slope and is the y-intercept.
Step 1.2
Subtract from both sides of the equation.
Step 1.3
Divide each term in by and simplify.
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Step 1.3.1
Divide each term in by .
Step 1.3.2
Simplify the left side.
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Step 1.3.2.1
Cancel the common factor of .
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Step 1.3.2.1.1
Cancel the common factor.
Step 1.3.2.1.2
Divide by .
Step 1.3.3
Simplify the right side.
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Step 1.3.3.1
Simplify each term.
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Step 1.3.3.1.1
Divide by .
Step 1.3.3.1.2
Dividing two negative values results in a positive value.
Step 1.4
Write in form.
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Step 1.4.1
Reorder and .
Step 1.4.2
Reorder terms.
Step 2
Using the slope-intercept form, the slope is .
Step 3
Rewrite in slope-intercept form.
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Step 3.1
The slope-intercept form is , where is the slope and is the y-intercept.
Step 3.2
Subtract from both sides of the equation.
Step 3.3
Divide each term in by and simplify.
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Step 3.3.1
Divide each term in by .
Step 3.3.2
Simplify the left side.
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Step 3.3.2.1
Cancel the common factor of .
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Step 3.3.2.1.1
Cancel the common factor.
Step 3.3.2.1.2
Divide by .
Step 3.3.3
Simplify the right side.
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Step 3.3.3.1
Simplify each term.
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Step 3.3.3.1.1
Divide by .
Step 3.3.3.1.2
Cancel the common factor of and .
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Step 3.3.3.1.2.1
Factor out of .
Step 3.3.3.1.2.2
Cancel the common factors.
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Step 3.3.3.1.2.2.1
Factor out of .
Step 3.3.3.1.2.2.2
Cancel the common factor.
Step 3.3.3.1.2.2.3
Rewrite the expression.
Step 3.4
Write in form.
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Step 3.4.1
Reorder and .
Step 3.4.2
Reorder terms.
Step 4
Using the slope-intercept form, the slope is .
Step 5
Since the slopes are the same, the lines are parallel and do not intersect, so the system has no solutions.
Step 6