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Algebra 2 Chapter 2 Vocabulary

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Section 1

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No Correlation

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Algebra Math

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Mar 1, 2020

Cards (42)

Section 1

(42 cards)

No Correlation

Front

When the values in a scatter plot do not simulate a line with positive or negative slopes.

Back

Nonlinear Relation

Front

A relation whose graph does not form a straight line.

Back

Parent Function

Front

Simplest form of a set of functions that form a family

Back

Dilation

Front

A transformation where an object changes size, an enlargement or reduction.

Back

Transformation

Front

The four types of these are dilations, reflections, rotations, and translations.

Back

Bivariate Data

Front

Data consisting of pairs of numbers

Back

Linear Function

Front

A function whose graph is a line.

Back

Continuous Relations

Front

A relation that can be graphed with a line or a smooth curve.

Back

X-Coordinate

Front

Independent Variable, Domain, Input

Back

Piecewise Function

Front

A function that is defined using 2 or more functions with limited domains

Back

Y-Coordinate

Front

Dependent Variable, Range, Output, f(x)

Back

Standard Form

Front

The equation of a linear equation in the form Ax + By = C where -A/B is the slope, C/A is the x intercept and C/B is the y intercept

Back

To find the x-intercept you let y=______

Front

0

Back

Slope (Rate of Change)

Front

The change in y divided by the change in x; rise over run; m=(y₂-y₁)/(x₂-x₁)

Back

Slope-Intercept Form

Front

The equation of a linear equation in the form: y = mx + b where m is the slope and b is the y intercept

Back

Function

Front

A relation in which each element of the domain corresponds with exactly one element in the range.

Back

Dependent Variable

Front

A variable (usually y) in a function that depends on another variable (usually x)

Back

Translation

Front

Shifts the graph of a parent function horizontally, vertically, or both without changing its shape or orientation.

Back

Constant of Variation

Front

k = y/x

Back

Regression Line

Front

A line of best fit

Back

Point Slope Form

Front

A form for linear equations; y - y₁ = m(x - x₁) where (x₁, y₁) is a point on the graph and m is the slope

Back

Independent Variable

Front

A variable (usually x) in a function whose vlaues make up the domain

Back

Scatterplot

Front

Graph that relates two different sets of data by plotting the data as ordered pairs.

Back

Reflection

Front

Flips the graph of a function across a line

Back

Line of Best Fit

Front

The trend line that finds the most accurate model of related data.

Back

Family of graphs

Front

A group of graphs that display one or more similarities

Back

Quadratic Function

Front

A function that can be written in the form f(x) = ax² + bx + c

Back

To find the y-intercept you let x=_______

Front

0

Back

Parallel Lines have the ____________ slope.

Front

same

Back

Prediction Equation

Front

An equation that is suggested by the points in a scatter plot that is used to predict other points.

Back

Vertical Line Test

Front

Used on the graph of a relation to tell whether or not the relation is a function.

Back

Greatest Integer Function

Front

A step function, written f(x) = [[x]], where f(x) is the largest integer less than or equal to x

Back

Linear Inequality

Front

An inequality in two variables whose graph is a region on the coordinate plane that is bounded by a line.

Back

Positive Correlation

Front

When the values in a scatter plot simulate a line with positive slope

Back

Correlation Coefficient

Front

A measure that shows how well data are modeled by a linear equation

Back

Direct Variation

Front

A relationship where there is some non-zero constant k, such that y = kx

Back

Absolute Value Function

Front

Back

Discrete Relation

Front

A relation that is a set of individual points or ordered pairs.

Back

Relation

Front

A set of ordered pairs.

Back

Perpendicular Lines have _________________ slopes.

Front

Opposite Reciprocal

Back

Negative Correlation

Front

When the values in a scatter plot simulate a line with negative slope

Back

Linear Equation

Front

An equation that can be written in the form Ax+By=C.

Back