If the System Has Infinitely Many Solutions, Write the Solution $$\begin{array} { l } 5 x - y + z = 8 \\7 x + y + z = 6\end{array}$$

question 437

Multiple Choice

If the system has infinitely many solutions, write the solution set with x arbitrary.
- $$\begin{array} { l } 5 x - y + z = 8 \\7 x + y + z = 6\end{array}$$
$$12 x + 2 z = 14$$

• A) \(\{ ( x , - x - 1 , - 6 x + 7 ) \}\)
• B) \(\{ ( x , - x + 1,6 x - 7 ) \}\)
• C) \(\{ ( x , - x + 1 , - 6 x + 7 ) \}\)
• D) \(\{ ( x , - x + 1,6 x + 7 ) \}\)

---

Definitions:

Risk-free

An investment category that promises return payments with zero default risk, often exemplified by treasury bonds of stable governments.

Call Option

A financial contract giving the buyer the right, but not the obligation, to purchase an asset at a specified price within a specific time period.

Put

A put is an options contract giving the holder the right, but not the obligation, to sell a specified amount of an underlying asset at a predetermined price before the contract expires.

Option

A financial contract granting the buyer the right, but not the obligation, to buy or sell an asset at a set price within a specific time.