Finite Math Examples

Find the Roots (Zeros) y=(x^2+4)/x
Step 1
Set equal to .
Step 2
Solve for .
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Step 2.1
Set the numerator equal to zero.
Step 2.2
Solve the equation for .
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Step 2.2.1
Subtract from both sides of the equation.
Step 2.2.2
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.2.3
Simplify .
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Step 2.2.3.1
Rewrite as .
Step 2.2.3.2
Rewrite as .
Step 2.2.3.3
Rewrite as .
Step 2.2.3.4
Rewrite as .
Step 2.2.3.5
Pull terms out from under the radical, assuming positive real numbers.
Step 2.2.3.6
Move to the left of .
Step 2.2.4
The complete solution is the result of both the positive and negative portions of the solution.
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Step 2.2.4.1
First, use the positive value of the to find the first solution.
Step 2.2.4.2
Next, use the negative value of the to find the second solution.
Step 2.2.4.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 3