Pre-Algebra Examples

Step 1
Find the point at .
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Step 1.1
Replace the variable with in the expression.
Step 1.2
Simplify the result.
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Step 1.2.1
Simplify the numerator.
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Step 1.2.1.1
Multiply by .
Step 1.2.1.2
Rewrite as .
Step 1.2.1.3
Pull terms out from under the radical, assuming real numbers.
Step 1.2.2
Divide by .
Step 1.2.3
The final answer is .
Step 1.3
Convert to decimal.
Step 2
Find the point at .
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Step 2.1
Replace the variable with in the expression.
Step 2.2
Simplify the result.
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Step 2.2.1
Simplify the numerator.
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Step 2.2.1.1
Multiply by .
Step 2.2.1.2
Rewrite as .
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Step 2.2.1.2.1
Rewrite as .
Step 2.2.1.2.2
Rewrite as .
Step 2.2.1.3
Pull terms out from under the radical.
Step 2.2.1.4
Rewrite as .
Step 2.2.2
Move the negative in front of the fraction.
Step 2.2.3
The final answer is .
Step 2.3
Convert to decimal.
Step 3
Find the point at .
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Step 3.1
Replace the variable with in the expression.
Step 3.2
Simplify the result.
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Step 3.2.1
Simplify the numerator.
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Step 3.2.1.1
Multiply by .
Step 3.2.1.2
Rewrite as .
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Step 3.2.1.2.1
Rewrite as .
Step 3.2.1.2.2
Rewrite as .
Step 3.2.1.3
Pull terms out from under the radical.
Step 3.2.1.4
Rewrite as .
Step 3.2.2
Move the negative in front of the fraction.
Step 3.2.3
The final answer is .
Step 3.3
Convert to decimal.
Step 4
Find the point at .
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Step 4.1
Replace the variable with in the expression.
Step 4.2
Simplify the result.
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Step 4.2.1
Multiply by .
Step 4.2.2
The final answer is .
Step 4.3
Convert to decimal.
Step 5
Find the point at .
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Step 5.1
Replace the variable with in the expression.
Step 5.2
Simplify the result.
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Step 5.2.1
Multiply by .
Step 5.2.2
The final answer is .
Step 5.3
Convert to decimal.
Step 6
The cubic function can be graphed using the function behavior and the points.
Step 7
The cubic function can be graphed using the function behavior and the selected points.
Not a polynomial
Step 8