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sammy [17]
3 years ago
5

Which equation is the inverse of 2(x - 2)^3=8(7+y)​

Mathematics
2 answers:
Kipish [7]3 years ago
7 0

Answer:

y is inverse:  2 ±\sqrt{28+ 4x} .

Step-by-step explanation:

Given: 2(x - 2)²=8(7+y)​.

To find: Find inverse.

Solution : We have given

2(x - 2)²=8(7+y)​.

Step 1: inter change the x and y.

2(y - 2)²=8(7+x)​.

Step 2:

Solve for y

On dividing both sides by 2

(y - 2)² = 4 (7+x)​.

Distributes 4 over ( 7 + x)

(y - 2)² =  28 + 4x

Taking square root both sides.

\sqrt{(y-2)^{2} } = ±\sqrt{28+ 4x}.

y - 2 =  ±\sqrt{28+ 4x}.

On adding both sides by 2

y =  + 2 ±\sqrt{28+ 4x} .

Therefore, y is inverse : 2 ± \sqrt{28+ 4x}.

irina1246 [14]3 years ago
6 0

Answer:

\large\boxed{y=2\pm\sqrt{28+4x}}

Step-by-step explanation:

2(x-2)^2=8(7+y)\\\\\text{exchange x to y, and vice versa:}\\\\2(y-2)^2=8(7+x)\\\\\text{solve for y:}\\\\2(y-2)^2=(8)(7)+(8)(x)\\\\2(y-2)^2=56+8x\qquad\text{divide both sides by 2}\\\\(y-2)^2=28+4x\iff y-2=\pm\sqrt{28+4x}\qquad\text{add 2 to both sides}\\\\y=2\pm\sqrt{28+4x}

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