#### Study sets matching "algebra chapter 4"

#### Study sets matching "algebra chapter 4"

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 outsi…

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

coordinate plane

ordered pair

x-coordinate

y-coordinate

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

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 an…

ordered pair

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

Constant of Variation

Direct Variation

Family of Functions

Linear Function

The constant K in direct and inverse variations equations.

A linear relationship between two variables, x and y, that ca…

A set of functions whose graphs have basic characteristics in…

A function that can be written in the form y=mx+b where x is…

Constant of Variation

The constant K in direct and inverse variations equations.

Direct Variation

A linear relationship between two variables, x and y, that ca…

Multiple

Factor

Prime Number

Composite Number

product of an integer and any natural number

Any integer that divides a given integer with no remainder

A natural number greater than one that has exactly 2 positive…

Any natural number greater than one that has positive factors…

Multiple

product of an integer and any natural number

Factor

Any integer that divides a given integer with no remainder

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

bivariate data

inverse function

inverse relation

line of fit

data with two variables

a linear relation that is described by a function has an ____…

a set of ordered pairs obtained by exchanging the x-coordinat…

a line that describes the trend of the data in a scatter plot…

bivariate data

data with two variables

inverse function

a linear relation that is described by a function has an ____…

arithmetic sequence

common difference

correlation

dependent variable

successive terms differ by same non-zero number (common diffe…

non-zero difference betwn any term, previous term

measure of strength and direction of relationship between two…

output of a function whose value depends on the input

arithmetic sequence

successive terms differ by same non-zero number (common diffe…

common difference

non-zero difference betwn any term, previous term

System

Solution Set

Inconsistent Equations

Dependent Solutions

(of equations or inequalities) a set of open sentences each o…

set of all ordered pairs that satisfy all the open sentences…

Parallel Lines... Never intersect so they have no common solutions

Graphs are the same line... Have the same graph so they have an…

System

(of equations or inequalities) a set of open sentences each o…

Solution Set

set of all ordered pairs that satisfy all the open sentences…

Sequence

Term

Arithmetic Sequence

Common Difference

A list of #'s that may form a pattern

Each # in a sequence

A sequence whose terms differ by the same non-zero common dif…

Non-zero constant of ny term and the previous term

Sequence

A list of #'s that may form a pattern

Term

Each # in a sequence

Ratio

Proportion

Cross Products

Similar Figure

A comparison of two numbers by division

An equation that states that two ratios are equal

If A over B equals C over D

Having same shape but not the same size

Ratio

A comparison of two numbers by division

Proportion

An equation that states that two ratios are equal

consistent

inconsistent

independent

dependent

a system of equations that has at least one solution

a system with no solution

a consistent system with exactly one solution

a consistent system with infinitetly many solutions

consistent

a system of equations that has at least one solution

inconsistent

a system with no solution

Ratio

Rate

Unit rate

Proportion

a comparison of two quantities using division

a ration that compares quantities in different units

rate with a denominator on one

a ratio, the cross products are always equal

Ratio

a comparison of two quantities using division

Rate

a ration that compares quantities in different units

linear model

point-slope form

parallel lines

perpendicular lines

model used to describe a real life situation which has a cons…

y-y1=m(x-x1)

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

Lines that intersect to form right angles; reciperical slopes

linear model

model used to describe a real life situation which has a cons…

point-slope form

y-y1=m(x-x1)

ratio

rate

unit rate

unit analysis

The quantitative relation between two amounts showing the num…

A ratio that compares two quantities measured in different un…

A rate in which the second quantity in the comparison is one…

Including units for each quantity in a calculation to determi…

ratio

The quantitative relation between two amounts showing the num…

rate

A ratio that compares two quantities measured in different un…

Best-fit Line

Correlation

Constant Function

Constraint

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

A relationship between a set of data with two variables.

A linear function of the form y = b.

A condition that a solution must satisfy.

Best-fit Line

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

Correlation

A relationship between a set of data with two variables.

point-slope form

converse

perpendicular

scatter plot

Switching the hypothesis and conclusion of a conditional stat…

when two lines intersect and form 4 90 degree angles

a graph where data is represented by dots

point-slope form

converse

Switching the hypothesis and conclusion of a conditional stat…

point-slope form

converse

perpendicular

scatter plot

y - y1 = m(x - x1), where m is the slope and (x1, y1) is a po…

the statement formed by exchanging the hypothesis and conclus…

intersecting to form 90 degree angles, denoted by

a graph with points plotted to show a possible relationship b…

point-slope form

y - y1 = m(x - x1), where m is the slope and (x1, y1) is a po…

converse

the statement formed by exchanging the hypothesis and conclus…

ratio

rate

unit rate

proportion

a comparison of two quantities using division

a ratio that compares quantities in different units

rate with a denominator of one

a ratio = a ratio; the cross products are always equal

ratio

a comparison of two quantities using division

rate

a ratio that compares quantities in different units

axis of symmetry

completing the square

complex conjugates

complex numbers

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

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

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 congru…

completing the square

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

quadratic function

parabola

vertex

axis of symmetry

a function that can be written in the standard form y=ax^2+bx…

U-shaped graph of quadratic function

highest or lowest point on a parabola

vertical line that passes through the vertex; cuts parabola i…

quadratic function

a function that can be written in the standard form y=ax^2+bx…

parabola

U-shaped graph of quadratic function

common difference

continuous graph

dependent variable

discrete graph

The difference between any two consecutive terms in an arithm…

graph that is unbroken

the variable that changes in response to another variable

graph that is composed of distinct, isolated points

common difference

The difference between any two consecutive terms in an arithm…

continuous graph

graph that is unbroken

Infinite Solution

Coincide

Elimination Method

Equal Values Method

Every point on one line intersects every point on the second…

Two graphs that have all their points in common

When you add or subtract two equation to eliminate foe of the…

When you make two equations that are equal to the same variab…

Infinite Solution

Every point on one line intersects every point on the second…

Coincide

Two graphs that have all their points in common

arithmetic sequence

axes

common difference

coordinate plane

a numerical pattern that increases or decreases at a constant…

the horizontal and vertical number lines that make a coordina…

The difference between the terms in a sequence.

The plane containing the x-axis and y-axis

arithmetic sequence

a numerical pattern that increases or decreases at a constant…

axes

the horizontal and vertical number lines that make a coordina…

Distributive Property

Equivalent Expression

Coefficient

Constant

to multiply a sum by a number, multiply each added by the num…

expressions that have the same value

The numerical part of a term that contains a variable

a term without a variable

Distributive Property

to multiply a sum by a number, multiply each added by the num…

Equivalent Expression

expressions that have the same value