Linear Algebra Examples

Find the Domain x+2y+4=0
Step 1
Move all terms not containing to the right side of the equation.
Tap for more steps...
Step 1.1
Subtract from both sides of the equation.
Step 1.2
Subtract from both sides of the equation.
Step 2
Divide each term in by and simplify.
Tap for more steps...
Step 2.1
Divide each term in by .
Step 2.2
Simplify the left side.
Tap for more steps...
Step 2.2.1
Cancel the common factor of .
Tap for more steps...
Step 2.2.1.1
Cancel the common factor.
Step 2.2.1.2
Divide by .
Step 2.3
Simplify the right side.
Tap for more steps...
Step 2.3.1
Simplify each term.
Tap for more steps...
Step 2.3.1.1
Move the negative in front of the fraction.
Step 2.3.1.2
Divide by .
Step 3
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Interval Notation:
Set-Builder Notation:
Step 4