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Finite Math Examples
,
Step 1
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
Reorder and .
Step 2
Using the slope-intercept form, the slope is .
Step 3
Step 3.1
The slope-intercept form is , where is the slope and is the y-intercept.
Step 3.2
Add to both sides of the equation.
Step 3.3
Divide each term in by and simplify.
Step 3.3.1
Divide each term in by .
Step 3.3.2
Simplify the left side.
Step 3.3.2.1
Cancel the common factor of .
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.
Step 3.3.3.1
Simplify each term.
Step 3.3.3.1.1
Cancel the common factor of and .
Step 3.3.3.1.1.1
Factor out of .
Step 3.3.3.1.1.2
Cancel the common factors.
Step 3.3.3.1.1.2.1
Factor out of .
Step 3.3.3.1.1.2.2
Cancel the common factor.
Step 3.3.3.1.1.2.3
Rewrite the expression.
Step 3.3.3.1.2
Cancel the common factor of and .
Step 3.3.3.1.2.1
Factor out of .
Step 3.3.3.1.2.2
Cancel the common factors.
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.
Step 3.4.1
Reorder and .
Step 3.4.2
Reorder terms.
Step 4
Using the slope-intercept form, the slope is .
Step 5
Set up the system of equations to find any points of intersection.
Step 6
Step 6.1
Subtract from both sides of the equation.
Step 6.2
Replace all occurrences of with in each equation.
Step 6.2.1
Replace all occurrences of in with .
Step 6.2.2
Simplify the left side.
Step 6.2.2.1
Simplify .
Step 6.2.2.1.1
Simplify each term.
Step 6.2.2.1.1.1
Apply the distributive property.
Step 6.2.2.1.1.2
Multiply by .
Step 6.2.2.1.1.3
Multiply by .
Step 6.2.2.1.2
Subtract from .
Step 6.3
Solve for in .
Step 6.3.1
Move all terms not containing to the right side of the equation.
Step 6.3.1.1
Add to both sides of the equation.
Step 6.3.1.2
Add and .
Step 6.3.2
Divide each term in by and simplify.
Step 6.3.2.1
Divide each term in by .
Step 6.3.2.2
Simplify the left side.
Step 6.3.2.2.1
Cancel the common factor of .
Step 6.3.2.2.1.1
Cancel the common factor.
Step 6.3.2.2.1.2
Divide by .
Step 6.3.2.3
Simplify the right side.
Step 6.3.2.3.1
Cancel the common factor of and .
Step 6.3.2.3.1.1
Factor out of .
Step 6.3.2.3.1.2
Cancel the common factors.
Step 6.3.2.3.1.2.1
Factor out of .
Step 6.3.2.3.1.2.2
Cancel the common factor.
Step 6.3.2.3.1.2.3
Rewrite the expression.
Step 6.3.2.3.2
Move the negative in front of the fraction.
Step 6.4
Replace all occurrences of with in each equation.
Step 6.4.1
Replace all occurrences of in with .
Step 6.4.2
Simplify the right side.
Step 6.4.2.1
Simplify .
Step 6.4.2.1.1
Simplify each term.
Step 6.4.2.1.1.1
Cancel the common factor of .
Step 6.4.2.1.1.1.1
Move the leading negative in into the numerator.
Step 6.4.2.1.1.1.2
Factor out of .
Step 6.4.2.1.1.1.3
Cancel the common factor.
Step 6.4.2.1.1.1.4
Rewrite the expression.
Step 6.4.2.1.1.2
Multiply by .
Step 6.4.2.1.2
Add and .
Step 6.5
The solution to the system is the complete set of ordered pairs that are valid solutions.
Step 7
Since the slopes are different, the lines will have exactly one intersection point.
Step 8