Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r } 9 & 4 \\ 4 & 9 \\ - 3 & 6 \end{array} \right]$

question 45

Multiple Choice

Solve Matrix Equations
-Let $\mathrm { A } = \left[ \begin{array} { r r } 9 & 4 \\ 4 & 9 \\ - 3 & 6 \end{array} \right]$ and $\mathrm { B } = \left[ \begin{array} { r r } - 2 & - 1 \\ 9 & - 9 \\ - 5 & 4 \end{array} \right] ; \quad \mathrm { X } - \mathrm { B } = \mathrm { A }$

• A)
• \(\left[ \begin{array} { c c } 7 & 3 \\ 13 & 0 \\ - 8 & 10 \end{array} \right]\)
• B)
• \(\left[ \begin{array} { r r } 11 & 5 \\ - 5 & 18 \\ 2 & 14 \end{array} \right]\)
• C)
• \(\left[ \begin{array} { r r } 7 & 3 \\ - 13 & 9 \\ - 8 & - 10 \end{array} \right]\)
• D)
• \(\left[ \begin{array} { r r } 7 & 9 \\ 13 & 0 \\ - 8 & 10 \end{array} \right]\)

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Definitions:

Disc Brake Rotor Warpage

A condition where the disc brake rotor deviates from a flat plane, causing brake pulsation or vibration during braking.

Excessive Brake Pressure

A condition where the brake system generates too much force, potentially leading to brake lockup, increased wear, or damage.

Over-heating

The condition of a machine or system running beyond its normal temperature range, which can lead to failure or damage.

Axial TIR

Tolerance of radial run-out in a rotating component, measured along the axis.