Solve the Radical Equation $$\sqrt { \mathrm { x } + 1 } = 8$$

question 47

Multiple Choice

Solve the radical equation.
- $$\sqrt { \mathrm { x } + 1 } = 8$$

• A) \(\{ 63 \}\)
• B) \(\{ 64 \}\)
• C) \(\{ 81 \}\)
• D) \(\{ 65 \}\)

---

Definitions:

Euros

The official currency of the Eurozone, which is used by 19 of the 27 European Union countries, known collectively as the Euro area.

Foreign Currencies

The currencies of other countries, used for conducting international transactions or as an investment.

Bonds

Fixed-income investments representing loans made by an investor to a borrower, typically corporate or governmental, which include terms for fixed interest payments and the eventual return of principal.

Gold Reserves

The quantity of gold held by a national central bank or government intended to serve as a store of value and as a guarantee to redeem promises to pay depositors, note holders, or trading peers.