Question
Function
Find the x-intercept/zero
Find the y-intercept
x1=−83,x2=83
Evaluate
2(x4)2−6=y
To find the x-intercept,set y=0
2(x4)2−6=0
Simplify
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Evaluate
2(x4)2−6
Multiply the exponents
2x4×2−6
Multiply the numbers
2x8−6
2x8−6=0
Move the constant to the right-hand side and change its sign
2x8=0+6
Removing 0 doesn't change the value,so remove it from the expression
2x8=6
Divide both sides
22x8=26
Divide the numbers
x8=26
Divide the numbers
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Evaluate
26
Reduce the numbers
13
Calculate
3
x8=3
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±83
Separate the equation into 2 possible cases
x=83x=−83
Solution
x1=−83,x2=83
Show Solution

Solve the equation
Solve for x
Solve for y
x=28128y+768x=−28128y+768
Evaluate
2(x4)2−6=y
Simplify
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Evaluate
2(x4)2−6
Multiply the exponents
2x4×2−6
Multiply the numbers
2x8−6
2x8−6=y
Move the constant to the right-hand side and change its sign
2x8=y+6
Divide both sides
22x8=2y+6
Divide the numbers
x8=2y+6
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±82y+6
Simplify the expression
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Evaluate
82y+6
To take a root of a fraction,take the root of the numerator and denominator separately
828y+6
Multiply by the Conjugate
82×8278y+6×827
Calculate
28y+6×827
Calculate
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Evaluate
8y+6×827
The product of roots with the same index is equal to the root of the product
8(y+6)×27
Calculate the product
8128y+768
28128y+768
x=±28128y+768
Solution
x=28128y+768x=−28128y+768
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
Not symmetry with respect to the origin
Evaluate
2(x4)2−6=y
Simplify the expression
2x8−6=y
To test if the graph of 2x8−6=y is symmetry with respect to the origin,substitute -x for x and -y for y
2(−x)8−6=−y
Evaluate
2x8−6=−y
Solution
Not symmetry with respect to the origin
Show Solution

Find the first derivative
Find the derivative with respect to x
Find the derivative with respect to y
dxdy=16x7
Calculate
2(x4)2−6=y
Simplify the expression
2x8−6=y
Take the derivative of both sides
dxd(2x8−6)=dxd(y)
Calculate the derivative
More Steps

Evaluate
dxd(2x8−6)
Use differentiation rules
dxd(2x8)+dxd(−6)
Evaluate the derivative
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Evaluate
dxd(2x8)
Use differentiation rule dxd(cf(x))=c×dxd(f(x))
2×dxd(x8)
Use dxdxn=nxn−1 to find derivative
2×8x7
Multiply the terms
16x7
16x7+dxd(−6)
Use dxd(c)=0 to find derivative
16x7+0
Evaluate
16x7
16x7=dxd(y)
Calculate the derivative
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Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
16x7=dxdy
Solution
dxdy=16x7
Show Solution

Find the second derivative
Find the second derivative with respect to x
Find the second derivative with respect to y
dx2d2y=112x6
Calculate
2(x4)2−6=y
Simplify the expression
2x8−6=y
Take the derivative of both sides
dxd(2x8−6)=dxd(y)
Calculate the derivative
More Steps

Evaluate
dxd(2x8−6)
Use differentiation rules
dxd(2x8)+dxd(−6)
Evaluate the derivative
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Evaluate
dxd(2x8)
Use differentiation rule dxd(cf(x))=c×dxd(f(x))
2×dxd(x8)
Use dxdxn=nxn−1 to find derivative
2×8x7
Multiply the terms
16x7
16x7+dxd(−6)
Use dxd(c)=0 to find derivative
16x7+0
Evaluate
16x7
16x7=dxd(y)
Calculate the derivative
More Steps

Evaluate
dxd(y)
Use differentiation rules
dyd(y)×dxdy
Use dxdxn=nxn−1 to find derivative
dxdy
16x7=dxdy
Swap the sides of the equation
dxdy=16x7
Take the derivative of both sides
dxd(dxdy)=dxd(16x7)
Calculate the derivative
dx2d2y=dxd(16x7)
Simplify
dx2d2y=16×dxd(x7)
Rewrite the expression
dx2d2y=16×7x6
Solution
dx2d2y=112x6
Show Solution
