Trigonometry Examples

Convert to Interval Notation x^3+6x^2>-x^2+7x+5
Graph each side of the equation. The solution is the x-value of the point of intersection.
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.
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Test a value on the interval to see if it makes the inequality true.
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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 not greater 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.
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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.
Tap for more steps...
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 not greater 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.
Tap for more steps...
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
Compare the intervals to determine which ones satisfy the original inequality.
False
True
False
True
False
True
False
True
The solution consists of all of the true intervals.
or
Convert the inequality to interval notation.
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