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Algebra Examples
Step 1
Step 1.1
To find the coordinate of the vertex, set the inside of the absolute value equal to . In this case, .
Step 1.2
Replace the variable with in the expression.
Step 1.3
The absolute value is the distance between a number and zero. The distance between and is .
Step 1.4
The absolute value vertex is .
Step 2
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 3
Step 3.1
Substitute the value into . In this case, the point is .
Step 3.1.1
Replace the variable with in the expression.
Step 3.1.2
Simplify the result.
Step 3.1.2.1
The absolute value is the distance between a number and zero. The distance between and is .
Step 3.1.2.2
The final answer is .
Step 3.2
Substitute the value into . In this case, the point is .
Step 3.2.1
Replace the variable with in the expression.
Step 3.2.2
Simplify the result.
Step 3.2.2.1
The absolute value is the distance between a number and zero. The distance between and is .
Step 3.2.2.2
The final answer is .
Step 3.3
Substitute the value into . In this case, the point is .
Step 3.3.1
Replace the variable with in the expression.
Step 3.3.2
Simplify the result.
Step 3.3.2.1
The absolute value is the distance between a number and zero. The distance between and is .
Step 3.3.2.2
The final answer is .
Step 3.4
The absolute value can be graphed using the points around the vertex
Step 4