Calculus Examples

Find the x and y Intercepts y=x square root of 5-x^2
Step 1
Find the x-intercepts.
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Step 1.1
To find the x-intercept(s), substitute in for and solve for .
Step 1.2
Solve the equation.
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Step 1.2.1
Rewrite the equation as .
Step 1.2.2
To remove the radical on the left side of the equation, square both sides of the equation.
Step 1.2.3
Simplify each side of the equation.
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Step 1.2.3.1
Use to rewrite as .
Step 1.2.3.2
Simplify the left side.
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Step 1.2.3.2.1
Simplify .
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Step 1.2.3.2.1.1
Apply the product rule to .
Step 1.2.3.2.1.2
Multiply the exponents in .
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Step 1.2.3.2.1.2.1
Apply the power rule and multiply exponents, .
Step 1.2.3.2.1.2.2
Cancel the common factor of .
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Step 1.2.3.2.1.2.2.1
Cancel the common factor.
Step 1.2.3.2.1.2.2.2
Rewrite the expression.
Step 1.2.3.2.1.3
Simplify.
Step 1.2.3.2.1.4
Simplify by multiplying through.
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Step 1.2.3.2.1.4.1
Apply the distributive property.
Step 1.2.3.2.1.4.2
Reorder.
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Step 1.2.3.2.1.4.2.1
Move to the left of .
Step 1.2.3.2.1.4.2.2
Rewrite using the commutative property of multiplication.
Step 1.2.3.2.1.5
Multiply by by adding the exponents.
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Step 1.2.3.2.1.5.1
Move .
Step 1.2.3.2.1.5.2
Use the power rule to combine exponents.
Step 1.2.3.2.1.5.3
Add and .
Step 1.2.3.3
Simplify the right side.
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Step 1.2.3.3.1
Raising to any positive power yields .
Step 1.2.4
Solve for .
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Step 1.2.4.1
Factor out of .
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Step 1.2.4.1.1
Factor out of .
Step 1.2.4.1.2
Factor out of .
Step 1.2.4.1.3
Factor out of .
Step 1.2.4.2
If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .
Step 1.2.4.3
Set equal to and solve for .
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Step 1.2.4.3.1
Set equal to .
Step 1.2.4.3.2
Solve for .
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Step 1.2.4.3.2.1
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 1.2.4.3.2.2
Simplify .
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Step 1.2.4.3.2.2.1
Rewrite as .
Step 1.2.4.3.2.2.2
Pull terms out from under the radical, assuming positive real numbers.
Step 1.2.4.3.2.2.3
Plus or minus is .
Step 1.2.4.4
Set equal to and solve for .
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Step 1.2.4.4.1
Set equal to .
Step 1.2.4.4.2
Solve for .
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Step 1.2.4.4.2.1
Subtract from both sides of the equation.
Step 1.2.4.4.2.2
Divide each term in by and simplify.
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Step 1.2.4.4.2.2.1
Divide each term in by .
Step 1.2.4.4.2.2.2
Simplify the left side.
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Step 1.2.4.4.2.2.2.1
Dividing two negative values results in a positive value.
Step 1.2.4.4.2.2.2.2
Divide by .
Step 1.2.4.4.2.2.3
Simplify the right side.
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Step 1.2.4.4.2.2.3.1
Divide by .
Step 1.2.4.4.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 1.2.4.4.2.4
The complete solution is the result of both the positive and negative portions of the solution.
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Step 1.2.4.4.2.4.1
First, use the positive value of the to find the first solution.
Step 1.2.4.4.2.4.2
Next, use the negative value of the to find the second solution.
Step 1.2.4.4.2.4.3
The complete solution is the result of both the positive and negative portions of the solution.
Step 1.2.4.5
The final solution is all the values that make true.
Step 1.3
x-intercept(s) in point form.
x-intercept(s):
x-intercept(s):
Step 2
Find the y-intercepts.
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Step 2.1
To find the y-intercept(s), substitute in for and solve for .
Step 2.2
Solve the equation.
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Step 2.2.1
Remove parentheses.
Step 2.2.2
Remove parentheses.
Step 2.2.3
Simplify .
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Step 2.2.3.1
Raising to any positive power yields .
Step 2.2.3.2
Multiply by .
Step 2.2.3.3
Add and .
Step 2.2.3.4
Multiply by .
Step 2.3
y-intercept(s) in point form.
y-intercept(s):
y-intercept(s):
Step 3
List the intersections.
x-intercept(s):
y-intercept(s):
Step 4