Finite Math Examples

Find Where Undefined/Discontinuous 7/(9y+8)
Step 1
Set the denominator in equal to to find where the expression is undefined.
Step 2
Solve for .
Tap for more steps...
Step 2.1
Subtract from both sides of the equation.
Step 2.2
Divide each term in by and simplify.
Tap for more steps...
Step 2.2.1
Divide each term in by .
Step 2.2.2
Simplify the left side.
Tap for more steps...
Step 2.2.2.1
Cancel the common factor of .
Tap for more steps...
Step 2.2.2.1.1
Cancel the common factor.
Step 2.2.2.1.2
Divide by .
Step 2.2.3
Simplify the right side.
Tap for more steps...
Step 2.2.3.1
Move the negative in front of the fraction.
Step 3