Solve the System $$\left\{ \begin{array} { c } x + 5 y = 4 \\3 x + 15 y = 12\end{array} \right.$$

question 125

Multiple Choice

Solve the system.
- $$\left\{ \begin{array} { c } x + 5 y = 4 \\3 x + 15 y = 12\end{array} \right.$$

• A) \(( 0,0 )\)
• B) \(( - 3,0 )\)
• C) inconsistent (no solution)
• D) \(y = - \frac { x } { 5 } + \frac { 4 } { 5 }\), where \(x\) is any real number

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Definitions:

Thyroid Gland

Large gland in the neck that produces several important hormones, including thyroxine, triiodothyronine, and calcitonin.

Iodized Salt

Salt that has been fortified with iodine, a nutrient essential for thyroid function.

Thyroid

A gland in the neck that secretes hormones regulating growth and metabolism by controlling the rate of metabolism and the rate at which the body uses energy.

Iodine

A chemical element necessary for thyroid gland function, also used as a disinfectant.