# Question: 1 fill in the blank below with one of the...

###### Question details

1. Fill in the blank below with one of the following words:
**always, sometimes, or never**

The matrix equation Ax=0 is ______________ consistent.

2. Fill in the blank below with one of the following words:
**always, sometimes, or never**

The matrix equation Ax=b where b is a non-zero vector is ______________ consistent.

True or False:

3. A linear combination of the columns of the matrix A defined below is a vector in Rn for what value of n?