MATH 1414

1. Write the augmented matrix for the system of equations to the right. 3x _ y + 82

5x 9y

3x 82 = 1

Enter each element.

3 ~ 1 8 ~ 3

5 9 0 7

3 0 8 8

(Do not simplify.)

2. Write the system of linear equations represented by the augmented 1 _ 4 5 3

matrix to the right. Use w, x, y, and 2 for the variables. 0 1 3 0

0 O 1 -~ 1

1 4 0 0

Write the equation represented by the first row.

w-4x+5y+3z==12

Write the equation represented by the second row.

x + 3y = 10

Write the equation represented by the third row.

y-z=3

Write the equation represented by the fourth row.

W 4x = 3

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