Respuesta :

Answer:

Exact form : r=2squareroot2, -2squareroot2

Decimal form : r=2.8284212...,-2.82842712....

Step-by-step explanation: Take the root of both sides and then solve.

Hope this helps you out.

Exact form : r=2squareroot2, -2squareroot2
Decimal form : r=2.8284212...,-2.82842712....