Use a Matrix Approach to Solve the System A) $-$

question 186

Multiple Choice

Use a matrix approach to solve the system. $$\left( \begin{array} { c c c c } x _ { 1 } &+& 6 x _ { 2 } &-& x _ { 3 } &+& 5 x _ { 4 } &= &- 4 \\5 x _ { 1 } &+& 3 x _ { 2 } &+& 5 x _ { 3 } &-& x _ { 4 } &= &- 9 \\- 6 x _ { 1 } &-& 4 x _ { 2 } &+& 6 x _ { 3 } &+& x _ { 4 } &= &23 \\ 7 x _ { 1 } &+& 9 x _ { 2 } &-& 5 x _ { 3 } &-& 6 x _ { 4 } &= &- 34 \\\end{array} \right)$$

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Tropical Island

A landmass located in the tropics, characterized by warm climates, and surrounded by the sea, often considered paradisiacal.

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Cognitive frameworks or concepts that help individuals organize and interpret information, based on experiences and prior knowledge.

Sidewalk

A paved path for pedestrians at the side of a road.

Schema

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