# Graph square root of 16-x^2 Find the domain for so that a list of values can be picked to find a list of points, which will help graphing the radical.
Set the radicand in greater than or equal to to find where the expression is defined.
Solve for .
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Set equal to and solve for .
Set equal to .
Subtract from both sides of the equation.
Set equal to and solve for .
Set equal to .
Solve for .
Subtract from both sides of the equation.
Multiply each term in by
Multiply each term in by .
Multiply .
Multiply by .
Multiply by .
Multiply by .
The final solution is all the values that make true.
Use each root to create test intervals.
Choose a test value from each interval and plug this value into the original inequality to determine which intervals satisfy the inequality.
Test a value on the interval to see if it makes the inequality true.
Choose a value on the interval and see if this value makes the original inequality true.
Replace with in the original inequality.
The left side is less than the right side , which means that the given statement is false.
False
False
Test a value on the interval to see if it makes the inequality true.
Choose a value on the interval and see if this value makes the original inequality true.
Replace with in the original inequality.
The left side is greater than the right side , which means that the given statement is always true.
True
True
Test a value on the interval to see if it makes the inequality true.
Choose a value on the interval and see if this value makes the original inequality true.
Replace with in the original inequality.
The left side is less than the right side , which means that the given statement is false.
False
False
Compare the intervals to determine which ones satisfy the original inequality.
False
True
False
False
True
False
The solution consists of all of the true intervals.
The domain is all values of that make the expression defined.
Interval Notation:
Set-Builder Notation:
Interval Notation:
Set-Builder Notation:
To find the end points, substitute the bounds of the values from the domain into .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Subtract from .
Multiply by .
Multiply by .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The final answer is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Multiply by .
Subtract from .
Multiply by .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The final answer is .
The end points are .
Select a few values from the domain. It would be more useful to select the values so that they are next to the value of the radical expression end point.
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Subtract from .
Multiply by .
Multiply by .
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Subtract from .
Multiply by .
Multiply by .
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Subtract from .
Multiply by .
Multiply by .
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Multiply by .
Multiply by .
Rewrite as .
Pull terms out from under the radical, assuming positive real numbers.
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Multiply by .
Subtract from .
Multiply by .
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Multiply by .
Subtract from .
Multiply by .
Rewrite as .
Factor out of .
Rewrite as .
Pull terms out from under the radical.
The final answer is .
Substitute the value into . In this case, the point is .
Replace the variable with in the expression.
Simplify the result.
Remove parentheses.
Multiply by .
Subtract from .
Multiply by .
The final answer is .
The square root can be graphed using the points around the vertex
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