# Study sets matching "algebra 2 chapter 9"

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center of a circle

center of an ellipse

circle

conjugate axis

the point from which all points on a circle are equidistant

the point at which the major axis and minor axis of an ellipse…

the set of all points in a plane that are equidistant from a g…

the segment of length 2b units in a hyperbola

center of a circle

the point from which all points on a circle are equidistant

center of an ellipse

the point at which the major axis and minor axis of an ellipse…

sequence

term of a sequence

explicit formula

recursive formula

an ordered list of numbers.

each individual number in a pattern.

a formula that express the nth term of a sequence in terms of…

defines terms of a sequence by relating each term to the one b…

sequence

an ordered list of numbers.

term of a sequence

each individual number in a pattern.

Asymptote

Complex Fraction

Continuity

Point of Discontinuity

A line that a graph approaches but never crosses.

A rational expression whose numerator and/or denominator conta…

A graph of a function that can be traced with a pencil but nev…

If the original function is undefined for x = a but the relate…

Asymptote

A line that a graph approaches but never crosses.

Complex Fraction

A rational expression whose numerator and/or denominator conta…

Secant

Sine

Tangent

cosecant

A trignometric function for an acute angle 𝛳 of a right angle,…

A trignometric function for an acute angle 𝛳 of a right angle,…

A trigonometric function for an acute angle 𝛳 of a right trian…

A trigonometric function for an acute angle θ of a right trian…

Secant

A trignometric function for an acute angle 𝛳 of a right angle,…

Sine

A trignometric function for an acute angle 𝛳 of a right angle,…

sine

cosine

tangent

cosecant

sin θ;... ratio of the length of the opposite leg to hypotenuse;…

cos θ;... ratio of the length of the adjacent leg to hypotenuse;…

tan θ;... ratio of the length of the opposite leg to adjacent leg…

reciprocal to sine;... ratio of the length of the hypotenuse to o…

sine

sin θ;... ratio of the length of the opposite leg to hypotenuse;…

cosine

cos θ;... ratio of the length of the adjacent leg to hypotenuse;…

Combined variation

Complex fraction

Constant of variation

Direct variation

A variation that combines both direct and inverse variation

A rational expression whose numerator and /or denominator cont…

The constant used in variation problems. It is called a consta…

A variation problem in the form y=kx

Combined variation

A variation that combines both direct and inverse variation

Complex fraction

A rational expression whose numerator and /or denominator cont…

Constant

Direct Variation

Identity

Absolute Value

horizontal line that crosses y axis at a, y=a

line passes through the origin, neither horizontal nor vertica…

line passes through point (a,a), 'a' is any real number, y=ax

V-shaped graph, | |

Constant

horizontal line that crosses y axis at a, y=a

Direct Variation

line passes through the origin, neither horizontal nor vertica…

Question Order Bias

Preface Bias

Two Questions in One Bias

Biased Wording Bias

First question persuades the result of second question

A statement persuades the answer of following question

Ask two questions in one

Using unpleasant or pleasing language to sway a decision

Question Order Bias

First question persuades the result of second question

Preface Bias

A statement persuades the answer of following question

Sine of an angle

Cosine of an angle

Tangent of an angle

Cosecant of an angle

the ratio the length of the side opposite to the length of the…

the ratio of the length of the side adjacent to the length of…

the ratio of the length of the side opposite to the length of…

the ratio of the length of the hypotenuse to the length of the…

Sine of an angle

the ratio the length of the side opposite to the length of the…

Cosine of an angle

the ratio of the length of the side adjacent to the length of…

arithmetic sequence

arithmetic series

common difference

common ratio

a sequence where the difference between consecutive terms is c…

a series whose terms form an arithmetic sequence. [p. 587]... fi…

the difference between consecutive terms within an arithmetic…

the ratio between two consecutive terms in a geometric series,…

arithmetic sequence

a sequence where the difference between consecutive terms is c…

arithmetic series

a series whose terms form an arithmetic sequence. [p. 587]... fi…

Quadratic Equation

Axis of Symmetry

Discriminant

Maximum

an equation that can be written in the standard form ax^2+bx+c…

the line that divides the parabola into two matching halves

determines the number of solutions of the equations

the y-coordinate of the vertex of a parabola that opens downwa…

Quadratic Equation

an equation that can be written in the standard form ax^2+bx+c…

Axis of Symmetry

the line that divides the parabola into two matching halves

Asymptote

Complex Fraction

Continuity

Point of discontinuity

A line that a graph approaches but never crosses

A rational expression whose numerator and/or denominator conta…

A graph of a function that can be traced with a pencil that ne…

if the original function is undefined for x=d but the related…

Asymptote

A line that a graph approaches but never crosses

Complex Fraction

A rational expression whose numerator and/or denominator conta…

Combined Variation

Complex Fraction

Constant of Variation

Direct Variation

a variation that combines both direct and inverse variation

a rational expression whose numerator and/or denominator conta…

the constant used in variation problems. It is called a consta…

a variation problem in the form of y=kx

Combined Variation

a variation that combines both direct and inverse variation

Complex Fraction

a rational expression whose numerator and/or denominator conta…

axis of symmetry

maximum point

minimum point

parabola

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

the vertex of a parabola that opens downwards.

the vertex of a parabola that opens upwards.

the graph of a quadratic function that forms a U-shaped curve.

axis of symmetry

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

maximum point

the vertex of a parabola that opens downwards.

quadratic function

standard form of a quadratic function

quadratic parent function

parabola

A function of the form y = ax^2 + bx + c, where a does not equ…

f(x) = ax^2 + bx + c

The simplest quadratic function f (x) = x^2 or y = x^2.

the graph of a quadratic function

quadratic function

A function of the form y = ax^2 + bx + c, where a does not equ…

standard form of a quadratic function

f(x) = ax^2 + bx + c

Third degree equation

Forth degree equation

Polynomial expression

Monomials

An equation in which a variable is raised to the thrid power

An equation in which a variable is raised to the forth power

The sum or difference of terms which have variables raised to…

An algebraic expression with one term

Third degree equation

An equation in which a variable is raised to the thrid power

Forth degree equation

An equation in which a variable is raised to the forth power

axis of symmetry

completing the square

discriminant

maximum

a line that divides a figure or line in half so that each half…

a process used to form a perfect square trinomial. [p. 576]

the expression within the radical sign of the quadratic formul…

the greatest possible amount. [p. 547]

axis of symmetry

a line that divides a figure or line in half so that each half…

completing the square

a process used to form a perfect square trinomial. [p. 576]

Combined Variation

Complex Fraction

Constant of Variation

Direct Variation

a variation that combines both direct and inverse variation

a rational expression whose numerator and/or denominator conta…

the constant used in variation problems. It is called a consta…

a variation problem in the form of y=kx

Combined Variation

a variation that combines both direct and inverse variation

Complex Fraction

a rational expression whose numerator and/or denominator conta…

Quadratic function

Standard form of a quadratic function

Quadratic parent function

Parabola

A function of the form y = ax2 + bx + c, where a is not equal…

The standard form of a quadratic function is f(x) = ax2 + bx +…

The simplest quadratic function f(x) = x2 or y = x2.

The graph of a quadratic function.

Quadratic function

A function of the form y = ax2 + bx + c, where a is not equal…

Standard form of a quadratic function

The standard form of a quadratic function is f(x) = ax2 + bx +…