#### Study sets matching "1 linear algebra math"

#### Study sets matching "1 linear algebra math"

linear equation

slope

Types of Slope

y-intercept

An equation in two variables whose graph in a coordinate plane…

A ratio comparing the change in output over the change in inpu…

The value of the output when the input is zero (0, y). The poi…

linear equation

An equation in two variables whose graph in a coordinate plane…

slope

A ratio comparing the change in output over the change in inpu…

linear equation

slope

y-intercept

x-intercept

An equation in two variables whose graph in a coordinate plane…

A ratio comparing the change in output over the change in inpu…

The value of the output when the input is zero (0, y). The poi…

The value of the input when the output is zero (x, 0). The poi…

linear equation

An equation in two variables whose graph in a coordinate plane…

slope

A ratio comparing the change in output over the change in inpu…

Slope

<

b

Coordinate point

Change in y / change in x

Less than

The letter that represents the y-intercept. In a linear equati…

The x-coordinate and y-coordinate of a point (x,y)

Slope

Change in y / change in x

<

Less than

invertible matrix

If A and B are invertible matrices of t…

formula meaning A^n is invertible

If A is an invertible matrix, then

all A such that there exists A^-1 such that AA^-1 = A^-1A = I

AB is invertible, and (AB)^-1 = B^-1A^-1

(A^n)^-1 = (A^-1)^n

A^-1 is invertible, and A^n is invertible

invertible matrix

all A such that there exists A^-1 such that AA^-1 = A^-1A = I

If A and B are invertible matrices of t…

AB is invertible, and (AB)^-1 = B^-1A^-1

coordinate plane

origin

x-axis

y-axis

the grid created by the horizontal x-axis and the vertical y-a…

(0,0) in the coordinate plane; center of the grid

the horizontal number line in the coordinate plane (left to ri…

the vertical number line in the coordinate plane (up and down)

coordinate plane

the grid created by the horizontal x-axis and the vertical y-a…

origin

(0,0) in the coordinate plane; center of the grid

The number of solutions in a system of…

A system is said to be CONSISTENT if...

A system is said to be INCONSISTENT if.…

Echelon Form

None, One, or Infinitely Many

it has one or infinitely many solutions

it has no solution

1- rows of zeroes on the bottom, 2- each leading entry of a ro…

The number of solutions in a system of…

None, One, or Infinitely Many

A system is said to be CONSISTENT if...

it has one or infinitely many solutions

Variables... Section 1-1 variables and exp…

Algebraic expressions... Section 1-1 varia…

Factors... Section 1-1 variables and expre…

Product... Section 1-1 variables and expre…

Are symbols used to represent unspecific numbers or values. An…

Consists of one or more numbers and variables along with one o…

The quantities being multiplied... Example 2x4

The outcome of what is being multiplied... Example 2x4 product is…

Variables... Section 1-1 variables and exp…

Are symbols used to represent unspecific numbers or values. An…

Algebraic expressions... Section 1-1 varia…

Consists of one or more numbers and variables along with one o…

Slope

<

b

Coordinate point

Change in y / change in x

Less than

The letter that represents the y-intercept. In a linear equati…

The x-coordinate and y-coordinate of a point (x,y)

Slope

Change in y / change in x

<

Less than

Slope

<

b

Coordinate point

Change in y / change in x

Less than

The letter that represents the y-intercept. In a linear equati…

The x-coordinate and y-coordinate of a point (x,y)

Slope

Change in y / change in x

<

Less than

linear equation

slope

y-intercept

x-intercept

An equation in two variables whose graph in a coordinate plane…

A ratio comparing the change in output over the change in inpu…

The value of the output when the input is zero (0, y). The poi…

The value of the input when the output is zero (x, 0). The poi…

linear equation

An equation in two variables whose graph in a coordinate plane…

slope

A ratio comparing the change in output over the change in inpu…

Vector Space

Vector Space Axioms

Subspace

Transpose

a set where addition and scalar multiplication as well as the…

1. Commutativity of addition... 2. Associativity in addition... 3. T…

a subset of a vector space that is also a vector space closed…

Matrix formed from switching rows and colums (A₁₂)'=A₂₁

Vector Space

a set where addition and scalar multiplication as well as the…

Vector Space Axioms

1. Commutativity of addition... 2. Associativity in addition... 3. T…

x-axis

y-axis

domain

range

the horizontal axis of the coordinate plane.

the vertical axis of the coordinate plane.

the input of the function (x-values).

the output of the function (y-values).

x-axis

the horizontal axis of the coordinate plane.

y-axis

the vertical axis of the coordinate plane.

Quadrant

Solution of an equation in two variables

Graph of an equation in two variables

Linear equation

One of the four regions into which the x and y axes divide the…

An ordered pair that produces a true statement when the coordi…

The set of points in a coordinate plane that represent all sol…

An equation whose graph is a line.

Quadrant

One of the four regions into which the x and y axes divide the…

Solution of an equation in two variables

An ordered pair that produces a true statement when the coordi…

In n variables; x1, x2, x3,....,xn has…

In in variables, is a set of m equation…

1.1 DEF 1b: In this equation, a1, a2,..…

1.1 DEF 2a: A _______ of a linear equat…

linear equation

system of equations

-coefficients... -leading coefficients... -leading variable

-solution

In n variables; x1, x2, x3,....,xn has…

linear equation

In in variables, is a set of m equation…

system of equations

What does Nullspace ask for?

There is a pivot in every row, linearly…

There are free variables, linearly ?

When something says it is its basis, th…

How many free variables are present.

Independent

Dependent

Don't know yet

What does Nullspace ask for?

How many free variables are present.

There is a pivot in every row, linearly…

Independent

algebra

inconsistent system

matrix

square matrix

restoration (of broken parts)

a system with no solutions

rectangular array of numbers

a matrix in which the number of columns is equal to the number…

algebra

restoration (of broken parts)

inconsistent system

a system with no solutions

linear equation

system of linear equations (linear syst…

solution

A system of linear equations has

an equation that can be written in the form ax+ax+ax+...+ax=b…

a collection of one or more linear equations involving the sam…

A solution of the system is a list (s,s,s,s..,s) of numbers th…

1. no solution... 2. exactly one solution... 3. infinitely many solu…

linear equation

an equation that can be written in the form ax+ax+ax+...+ax=b…

system of linear equations (linear syst…

a collection of one or more linear equations involving the sam…

equivalent system of equations

A Homogeneous system

invertible matrix

singularity

when two system of equations have the same solution set

when the constants on the right hand side of the matrix are al…

when there exists a matrix B such that AB=BA=I.

when a nxn matrix does not have a multiplicative inverse.

equivalent system of equations

when two system of equations have the same solution set

A Homogeneous system

when the constants on the right hand side of the matrix are al…

Consistent System

Inconsistent System

Consistent Dependent System

Free variable

The matrix system has a solution

Matrix has no solution (last row 0 0 | non zero )

Infinite systems (last row 0 0 | 0 )

x1 x2 x3 etc can be any number, no set equation, no pivot in t…

Consistent System

The matrix system has a solution

Inconsistent System

Matrix has no solution (last row 0 0 | non zero )

Thm 1

Thm 2

Linear Independence

Linear Dependence

A linear system has at least one solution if & only if the rig…

Let A be an mxn matrix coefficient matrix. Then the following…

The columns of A are linearly independent if & only if the tri…

The columns of A are linearly dependent if there is a nontrivi…

Thm 1

A linear system has at least one solution if & only if the rig…

Thm 2

Let A be an mxn matrix coefficient matrix. Then the following…