# TWMM Vocabulary: Question Preview (ID: 27398)

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**Two numbers, a and b, that satisfy the equation a+b=0.**

a) Function

b) Scatter Plot

c) Additive Inverse

d) Multiplicative Inverse

**An equation or a graph that describes, at least approximately, the relationship between two variables.**

a) Inverse Variation

b) Mathematical Model

c) Linear Relationship

d) Function

**Non-numerical data sets.**

a) Categorical Variables

b) Outlier

c) Scatter Plot

d) Mathematical Model

**A nonlinear relationship in which the product of two variables is constant. This relationship can be represented by an equation of the form y=kx, or xy=k, where k is a constant.**

a) Function

b) Inverse Variation

c) Multiplicative Inverse

d) Linear Relationship

**A measure of the strength of a linear relationship between two variables using a decimal number between −1 and 1.**

a) Slope

b) Residual

c) Additive Inverse

d) Correlation Coefficient

**The error calculated by finding the difference between an actual data point and the value that a model for the data predicts.**

a) Slopre

b) Scatter Plot

c) Residual

d) Categorical Variable

**Two numbers, a and b, that satisfy the equation ab=1.**

a) Additive Inverse

b) Residual

c) Multiplicative Inverse

d) Correlation Coefficient

**A value that lies far from the “center” of a distribution. This is a relative term, but it indicates a data point that is much higher or much lower than the values that could be normally expected for the distribution.**

a) Outlier

b) Slope

c) Categorical Variables

d) Scatter Plot

**The number that expresses the steepness of a line. This number is the ratio of the vertical change to the horizontal change between any two points on the line.**

a) Outlier

b) Residual

c) Linear Relationship

d) Slope

**A graph used to explore the relationship between two variables.**

a) Mathmatical Model

b) Residual

c) Correlation Coefficient

d) Scatter Plot

**A relationship in which there is a constant rate of change between two variables. This relationship can be represented by a straight-line graph and by an equation of the form y=mx+b. In the equation, m is the slope of the line, and b is the y-int.**

a) Inverse Variation

b) Linear Relationship

c) Mathematical Model

d) Functions

**A relationship between two variables in which the value of one variable depends on the value of the other variable.**

a) Linear Relationship

b) Function

c) Inverse Variation

d) Mathmatical Model

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