# Study sets matching "algebra chapter 4"

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augmented matrix

determinant

dilation

equal matrices

contains the coefficients and the constants from a system of e…

the _________ of a square matrix is a real number that can be…

a transformation that changes the size of a figure

matrices with the same dimensions and equal corresponding elem…

augmented matrix

contains the coefficients and the constants from a system of e…

determinant

the _________ of a square matrix is a real number that can be…

Bivariate Data

Line of Best Fit

Point of Slope Form

Perpendicular Lines

Data with two variables

A line that describes a trend of the data in a scatter plot.

Can be written if you know one point and slope.

Slopes are opposite reciprocals.

Bivariate Data

Data with two variables

Line of Best Fit

A line that describes a trend of the data in a scatter plot.

Bivariate Data

line of best fit

Point-Slope Form

perpendicular lines

data with two variables

a line that describes the data in a scatter plot

y-y1=m(x-x1) can be written if you know one point and the slope

slopes that are opposite reciprocals

Bivariate Data

data with two variables

line of best fit

a line that describes the data in a scatter plot

coordinate plane

ordered pair

x-coordinate

y-coordinate

A plane formed by two number lines that intersect at right ang…

a pair of numbers used to identify a point in a plane

the first number in an ordered pair

the second number in an ordered pair

coordinate plane

A plane formed by two number lines that intersect at right ang…

ordered pair

a pair of numbers used to identify a point in a plane

axis of symmetry

completing the square

complex conjugates

complex numbers

a line that divides a plane figure or a graph into two congrue…

a process used to make a quadratic expression into a perfect s…

two complex numbers of the form a+bi and a-bi.

adding real numbers to real multiples of the imaginary unit i.

axis of symmetry

a line that divides a plane figure or a graph into two congrue…

completing the square

a process used to make a quadratic expression into a perfect s…

Dependent variable

Independent variable

Input

Output

A variable that provides the output values of a function.

A variable that provides the input values of a function.

A value of the independent variable.

A value of the dependent variable.

Dependent variable

A variable that provides the output values of a function.

Independent variable

A variable that provides the input values of a function.

best-fit line

correlation coefficient

inverse function

linear extrapolation

the line that most closely approximates the data in a scatter…

a value that shows how close data points are to a line

an equation of the form xy=k, where k doesn't equal 0

the use of a linear equation to predict values that are outsid…

best-fit line

the line that most closely approximates the data in a scatter…

correlation coefficient

a value that shows how close data points are to a line

Solution of an inequality

Closed Dot

Open Dot

Equivalent Inequalities

any number that makes the inequality true

Greater than or equal, less than or equal

< or >

Inequalities with the same solutions

Solution of an inequality

any number that makes the inequality true

Closed Dot

Greater than or equal, less than or equal

Point Slope Form

Standard Form

Slope Intercept Form

II lines (parallel)

A linear equation written in the form y-y1=m(x-x1).

A linear equation written in the form Ax + By=C.

A linear equation written in the form y=mx+b.

Two lines in the same plane that never intersect and have the…

Point Slope Form

A linear equation written in the form y-y1=m(x-x1).

Standard Form

A linear equation written in the form Ax + By=C.

Dependent variable

Input

Output

Function

A variable that provides the output value of a function

A value of the independent variable

A value of the dependent variable

A relationship that assigns exactly one value in the range (y)…

Dependent variable

A variable that provides the output value of a function

Input

A value of the independent variable

Continuous Graph

Discrete Graph

Relation

Domain

graphs connected by lines or curves

graphs with only distinct points

relationships represented by a set of ordered pairs

the set of first quadrants which are the set of x values.

Continuous Graph

graphs connected by lines or curves

Discrete Graph

graphs with only distinct points

Slope-Intercept Form

Parallel Lines

Perpendicular Lines

Scatter Plot

lines in the same plane that do not intercept

lines that intersect at right angles

shows the relationship between a set of data with two variable…

Slope-Intercept Form

Parallel Lines

lines in the same plane that do not intercept

equivalent expressions

distributive property

term

coefficient

same value on both sides of equal sign

multiplying a number or variable to each term in parentheses

a part of an algebraic expression

numerical part of a term with a variable

equivalent expressions

same value on both sides of equal sign

distributive property

multiplying a number or variable to each term in parentheses

Coordinate plane

Ordered pairs

Function

Bar graph

plane with two perpendicular number lines

two numbers in a special order, they give the location of poin…

a group of ordered pairs where no two ordered pairs have the s…

a graph that uses bars to represent to represent information

Coordinate plane

plane with two perpendicular number lines

Ordered pairs

two numbers in a special order, they give the location of poin…

Arithmetic Sequence

Common Difference

Conjecture

Continuous Graph

A sequence in which each term is found by adding the same numb…

The difference between two terms in an arithmetic sequence

Reasoning that involves the formation of conclusions from inco…

Graphs connected with lines or curves.

Arithmetic Sequence

A sequence in which each term is found by adding the same numb…

Common Difference

The difference between two terms in an arithmetic sequence

Available Credit

Average Daily Balance

Balloon Payment

Billing Cycle

The difference between your card's credit limit and the amount…

Sum of the outstanding balances owed each day during the billi…

The remaining balance, at maturity, on a loan that has not bee…

The time period between billing dates on a credit card account…

Available Credit

The difference between your card's credit limit and the amount…

Average Daily Balance

Sum of the outstanding balances owed each day during the billi…

arithmetic sequence

common difference

Continuos graph

correlation

A sequence whose successive terms differ by the same nonzero n…

In an arithmetic sequence, the nonzero constant difference of…

Graphs with connected lines or curved lines

A measure of the strength and direction of the relationship be…

arithmetic sequence

A sequence whose successive terms differ by the same nonzero n…

common difference

In an arithmetic sequence, the nonzero constant difference of…

Bivariate data

Constant function

Constraint

Correlation

Data with two variables

A linear equations written Y = B; a horizontal line

A condition that a solution must satisfy

(Association) - the relationship of bivariate data

Bivariate data

Data with two variables

Constant function

A linear equations written Y = B; a horizontal line

arithmetic sequence

common difference

continuous graph

correlation

a sequence whose successive terms differ by the same non-zero…

in an arithmetic sequence, the nonzero constant difference of…

a graph made up of connected lines or curves... ex: the speed of…

a measure of the strength and direction of the relationship be…

arithmetic sequence

a sequence whose successive terms differ by the same non-zero…

common difference

in an arithmetic sequence, the nonzero constant difference of…

Continuous Graphs

Discrete Graphs

Relation

Function

a graph that is made up of connected lines or curves (p. 231)

a graph made up of unconnected points (p. 231)

a set of ordered pairs (p. 236)

a relation in which every input is paired with exactly one inp…

Continuous Graphs

a graph that is made up of connected lines or curves (p. 231)

Discrete Graphs

a graph made up of unconnected points (p. 231)

Continuous Graph

Correlation

Dependent Variable

Discrete Graph

a graph that describes a space containing smoothly connected n…

a mutual relationship or connection between two or more things.

a variable (often denoted by y ) whose value depends on that o…

Discrete data is counted. The description of the task is usual…

Continuous Graph

a graph that describes a space containing smoothly connected n…

Correlation

a mutual relationship or connection between two or more things.

Arithmetic Sequence

Common Difference

Correlation

Dependant Variable

When all of the terms in a sequence have the same number diffe…

The difference between all of the terms in an arithmetic seque…

A relationship between two data sets.

The output of a function.

Arithmetic Sequence

When all of the terms in a sequence have the same number diffe…

Common Difference

The difference between all of the terms in an arithmetic seque…

4-1... Credit

4-1... Debtor

4-1... Creditor

4-1... Earning Power

purchase something you do not pay for immediately

people who use credit

people that extend credit to consumers

ability to earn money now & in the future -- creditors want to…

4-1... Credit

purchase something you do not pay for immediately

4-1... Debtor

people who use credit

Continuous graph

Dependent Variable

Discrete Graph

Domain

A graph made up of connected lines or curves.

The output of a function; its value depends on the value of th…

A graph made up of unconnected points.

The set of all possible input values of a relation or function.

Continuous graph

A graph made up of connected lines or curves.

Dependent Variable

The output of a function; its value depends on the value of th…

arithmetic sequence

common difference

continuous graph

correlation

a sequence in which each term is found by adding the same numb…

the difference between any two successive terms in an arithmet…

a graph made up of connected lines or curves

a quantity measuring the extent of interdependence of variable…

arithmetic sequence

a sequence in which each term is found by adding the same numb…

common difference

the difference between any two successive terms in an arithmet…