Use a Graphing Calculator and the Method of Matrix Inverses $$\begin{array} { l } 3.2 x + \pi y = \sqrt { 5 } \\\sqrt { 3 } x - 7.84 y = 4\end{array}$$

question 360

Multiple Choice

Use a graphing calculator and the method of matrix inverses to solve the system. Give five decimal places, if necessary.
- $$\begin{array} { l } 3.2 x + \pi y = \sqrt { 5 } \\\sqrt { 3 } x - 7.84 y = 4\end{array}$$

• A) \(\{ ( 0.98584 , - 0.29241 ) \}\)
• B) \(\{ ( 0,1 ) \}\)
• C) \(\{ ( 0.25269,0.45438 ) \}\)
• D) \(\{ ( 1.25432 , - 0.73113 ) \}\)

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Definitions:

Calcite

A common mineral form of calcium carbonate, critical in the formation of limestone and marble, and involved in many geological processes.

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Axial Surface

An imaginary surface connecting all the hinge lines of a fold or a series of folds, often perpendicular to the direction of the fold.

Moderately Inclined

Describes a structure, surface, or geological feature that is tilted or sloped at a gentle to moderate angle.