Graph Each Linear System, Either by Hand or Using a Graphing

question 73

Essay

Graph each linear system, either by hand or using a graphing device. Use the graph to determine whether the system has one solution, no solution, or infinitely many solutions. If there is exactly one solution, use the graph to find it. $$\left\{ \begin{array} { l } 4 x - y = 20 \\x - \frac { 1 } { 4 } y = 5\end{array} \right.$$

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Definitions:

NSF Check

A check that is not honored by the bank due to insufficient funds in the account to cover the amount written on the check.

Bank Reconciliation

The method of aligning and scrutinizing numbers from financial records with those presented in a bank statement to verify their consistency.

Interest Earned

The income received from investments in financial instruments like savings accounts, bonds, and loans, usually calculated as a percentage of the principal amount.

Internal Control

A process implemented by a company’s management and board of directors to provide reasonable assurance regarding the achievement of objectives in effectiveness and efficiency of operations, reliable financial reporting, and compliance with laws and regulations.