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Question 10: (6 points)

Format:

• Enter your solution as a matrix or a column vector, using the

vector/matrix palette tool.

• When entering an augmented matrix, do not include any divider before

the final column, i.e. input (Ab) rather than (Ab).

If no solution exists, enter the single character "n" (without the quote

marks).

• Enter your answers exactly (without rounding), i.e. input rather than

.

0.333.

Here is a system of three linear equations:

-2x-3y=9

3y-3z=-5

-x+y+4z=-3

a. Show/hide

Write down the augmented matrix:

b. Show/hide

Put the augmented matrix into row echelon form:

c. Show/hide

Find one point that is a solution to this system of equations.

(

Fig: 1