Algebra Examples

Graph y = log base 8 of x
Step 1
Find the asymptotes.
Tap for more steps...
Step 1.1
Set the argument of the logarithm equal to zero.
Step 1.2
The vertical asymptote occurs at .
Vertical Asymptote:
Vertical Asymptote:
Step 2
Find the point at .
Tap for more steps...
Step 2.1
Replace the variable with in the expression.
Step 2.2
Simplify the result.
Tap for more steps...
Step 2.2.1
Logarithm base of is .
Step 2.2.2
The final answer is .
Step 2.3
Convert to decimal.
Step 3
Find the point at .
Tap for more steps...
Step 3.1
Replace the variable with in the expression.
Step 3.2
Simplify the result.
Tap for more steps...
Step 3.2.1
Logarithm base of is .
Step 3.2.2
The final answer is .
Step 3.3
Convert to decimal.
Step 4
Find the point at .
Tap for more steps...
Step 4.1
Replace the variable with in the expression.
Step 4.2
Simplify the result.
Tap for more steps...
Step 4.2.1
Logarithm base of is .
Tap for more steps...
Step 4.2.1.1
Rewrite as an equation.
Step 4.2.1.2
Rewrite in exponential form using the definition of a logarithm. If and are positive real numbers and does not equal , then is equivalent to .
Step 4.2.1.3
Create expressions in the equation that all have equal bases.
Step 4.2.1.4
Rewrite as .
Step 4.2.1.5
Since the bases are the same, then two expressions are only equal if the exponents are also equal.
Step 4.2.1.6
Solve for .
Step 4.2.1.7
The variable is equal to .
Step 4.2.2
The final answer is .
Step 4.3
Convert to decimal.
Step 5
The log function can be graphed using the vertical asymptote at and the points .
Vertical Asymptote:
Step 6