Question
Solve the equation
Solve for x
Solve for y
x=7y512005y4
Evaluate
7x5y=5
Rewrite the expression
7yx5=5
Divide both sides
7y7yx5=7y5
Divide the numbers
x5=7y5
Take the 5-th root on both sides of the equation
5x5=57y5
Calculate
x=57y5
Solution
More Steps

Evaluate
57y5
To take a root of a fraction,take the root of the numerator and denominator separately
57y55
Multiply by the Conjugate
57y×574y455×574y4
Calculate
7y55×574y4
Calculate
More Steps

Evaluate
55×574y4
The product of roots with the same index is equal to the root of the product
55×74y4
Calculate the product
512005y4
7y512005y4
x=7y512005y4
Show Solution

Testing for symmetry
Testing for symmetry about the origin
Testing for symmetry about the x-axis
Testing for symmetry about the y-axis
Symmetry with respect to the origin
Evaluate
7x5y=5
To test if the graph of 7x5y=5 is symmetry with respect to the origin,substitute -x for x and -y for y
7(−x)5(−y)=5
Evaluate
More Steps

Evaluate
7(−x)5(−y)
Any expression multiplied by 1 remains the same
−7(−x)5y
Multiply the terms
More Steps

Evaluate
7(−x)5
Rewrite the expression
7(−x5)
Multiply the numbers
−7x5
−(−7x5y)
Multiply the first two terms
7x5y
7x5y=5
Solution
Symmetry with respect to the origin
Show Solution

Rewrite the equation
r=67cos5(θ)sin(θ)65r=−67cos5(θ)sin(θ)65
Evaluate
7x5y=5
To convert the equation to polar coordinates,substitute x for rcos(θ) and y for rsin(θ)
7(cos(θ)×r)5sin(θ)×r=5
Factor the expression
7cos5(θ)sin(θ)×r6=5
Divide the terms
r6=7cos5(θ)sin(θ)5
Evaluate the power
r=±67cos5(θ)sin(θ)5
To take a root of a fraction,take the root of the numerator and denominator separately
r=±67cos5(θ)sin(θ)65
Solution
r=67cos5(θ)sin(θ)65r=−67cos5(θ)sin(θ)65
Show Solution

Find the first derivative
Find the derivative with respect to x
Find the derivative with respect to y
dxdy=−x5y
Calculate
7x5y=5
Take the derivative of both sides
dxd(7x5y)=dxd(5)
Calculate the derivative
More Steps

Evaluate
dxd(7x5y)
Use differentiation rules
dxd(7x5)×y+7x5×dxd(y)
Evaluate the derivative
More Steps

Evaluate
dxd(7x5)
Use differentiation rule dxd(cf(x))=c×dxd(f(x))
7×dxd(x5)
Use dxdxn=nxn−1 to find derivative
7×5x4
Multiply the terms
35x4
35x4y+7x5×dxd(y)
Evaluate the derivative
More Steps

Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
35x4y+7x5dxdy
35x4y+7x5dxdy=dxd(5)
Calculate the derivative
35x4y+7x5dxdy=0
Move the expression to the right-hand side and change its sign
7x5dxdy=0−35x4y
Removing 0 doesn't change the value,so remove it from the expression
7x5dxdy=−35x4y
Divide both sides
7x57x5dxdy=7x5−35x4y
Divide the numbers
dxdy=7x5−35x4y
Solution
More Steps

Evaluate
7x5−35x4y
Cancel out the common factor 7
x5−5x4y
Reduce the fraction
More Steps

Evaluate
x5x4
Use the product rule aman=an−m to simplify the expression
x5−41
Subtract the terms
x11
Simplify
x1
x−5y
Use b−a=−ba=−ba to rewrite the fraction
−x5y
dxdy=−x5y
Show Solution

Find the second derivative
Find the second derivative with respect to x
Find the second derivative with respect to y
dx2d2y=x230y
Calculate
7x5y=5
Take the derivative of both sides
dxd(7x5y)=dxd(5)
Calculate the derivative
More Steps

Evaluate
dxd(7x5y)
Use differentiation rules
dxd(7x5)×y+7x5×dxd(y)
Evaluate the derivative
More Steps

Evaluate
dxd(7x5)
Use differentiation rule dxd(cf(x))=c×dxd(f(x))
7×dxd(x5)
Use dxdxn=nxn−1 to find derivative
7×5x4
Multiply the terms
35x4
35x4y+7x5×dxd(y)
Evaluate the derivative
More Steps

Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
35x4y+7x5dxdy
35x4y+7x5dxdy=dxd(5)
Calculate the derivative
35x4y+7x5dxdy=0
Move the expression to the right-hand side and change its sign
7x5dxdy=0−35x4y
Removing 0 doesn't change the value,so remove it from the expression
7x5dxdy=−35x4y
Divide both sides
7x57x5dxdy=7x5−35x4y
Divide the numbers
dxdy=7x5−35x4y
Divide the numbers
More Steps

Evaluate
7x5−35x4y
Cancel out the common factor 7
x5−5x4y
Reduce the fraction
More Steps

Evaluate
x5x4
Use the product rule aman=an−m to simplify the expression
x5−41
Subtract the terms
x11
Simplify
x1
x−5y
Use b−a=−ba=−ba to rewrite the fraction
−x5y
dxdy=−x5y
Take the derivative of both sides
dxd(dxdy)=dxd(−x5y)
Calculate the derivative
dx2d2y=dxd(−x5y)
Use differentiation rules
dx2d2y=−x2dxd(5y)×x−5y×dxd(x)
Calculate the derivative
More Steps

Evaluate
dxd(5y)
Simplify
5×dxd(y)
Calculate
5dxdy
dx2d2y=−x25dxdy×x−5y×dxd(x)
Use dxdxn=nxn−1 to find derivative
dx2d2y=−x25dxdy×x−5y×1
Use the commutative property to reorder the terms
dx2d2y=−x25xdxdy−5y×1
Any expression multiplied by 1 remains the same
dx2d2y=−x25xdxdy−5y
Use equation dxdy=−x5y to substitute
dx2d2y=−x25x(−x5y)−5y
Solution
More Steps

Calculate
−x25x(−x5y)−5y
Multiply
More Steps

Multiply the terms
5x(−x5y)
Any expression multiplied by 1 remains the same
−5x×x5y
Multiply the terms
−25y
−x2−25y−5y
Subtract the terms
More Steps

Simplify
−25y−5y
Collect like terms by calculating the sum or difference of their coefficients
(−25−5)y
Subtract the numbers
−30y
−x2−30y
Divide the terms
−(−x230y)
Calculate
x230y
dx2d2y=x230y
Show Solution
