## 16 Questions

What is the column space of a matrix?

When does the equation Ax = b have a solution?

What does it mean for a matrix A to be invertible?

In the context of matrix A, what does N (A) represent?

What is the relationship between C(B) and N (A), if B is the nullspace matrix of A?

Which set contains all column vectors of length n?

What is the vector space that consists of all column vectors of length 3?

In vector spaces, what can be done with two vectors in $V$?

What does it mean for C(A) to be closed under linear combinations?

What must be true for a matrix A to be invertible?

What is the general solution of Ax = b, where A = $\begin{bmatrix} 1 & 2 & 3 & 5 \ 2 & 4 & 8 & 12 \end{bmatrix}$ and b = $\begin{bmatrix} 1 \ 0 \ 5 \end{bmatrix}$?

What is a particular solution of Ax = b, where A = $\begin{bmatrix} 1 & 2 & 3 & 5 \ 2 & 4 & 8 & 12 \end{bmatrix}$ and b = $\begin{bmatrix} 1 \ 0 \ 5 \end{bmatrix}$?

How can the general solution of Ax = b be obtained from Rx = d?

What is the null space of A, where A = $\begin{bmatrix} 1 & 2 & 3 & 5 \ 2 & 4 & 8 & 12 \end{bmatrix}$?

What is the particular solution of Rx = $\begin{bmatrix} 4 \ -1 \ 0 \end{bmatrix}$, given that R = $\begin{bmatrix} 0 & 0 & 1 & 1 \ 3 & 6 & 7 & 13 \ 0 & 0 & 0 & 0 \end{bmatrix}$?

What does the complete set of solutions to Ax = b include?

## Description

This quiz covers the topic of solving linear equations with special solutions using examples and specific mathematical operations. It includes methods for solving Ax = b, Ux = c, and Rx = d equations. The quiz also addresses how to reduce solving Ax = b to solving Rx = d.