Functions and Scatter Plots

Which of the following is a function?

• A relation where each input has two different outputs.

• A relation where each input has exactly one output.

• A relation where each output has two different inputs.

• A relation where inputs and outputs are the same.

Tags

CCSS.8.F.A.1

• A parabola.

• A straight line.

• A circle.

• A hyperbola.

Tags

CCSS.8.F.A.3

Which of the following is an example of a nonlinear function?

Tags

CCSS.8.F.A.3

What does a positive association look like in a scatter plot?

• The points form a downward trend.

• The points form an upward trend.

• The points are scattered with no trend.

• The points form a horizontal line.

Tags

CCSS.8.SP.A.1

In a scatter plot, what is an outlier?

• A point that fits the general trend.

• A point that is far away from the other points.

• A point that is at the origin.

• A point that is on the x-axis.

Tags

CCSS.8.SP.A.1

• The y-intercept.

• The rate of change.

• The x-intercept.

• The constant term.

Tags

CCSS.8.SP.A.3

• -3

• 5

• -5

• 3

Tags

CCSS.8.SP.A.3

What is a two-way table used for?

• To display a single variable.

• To display frequencies of two categorical variables.

• To display a linear equation.

• To display a scatter plot.

Tags

CCSS.8.SP.A.4

In a two-way table, what does a relative frequency represent?

• The total number of observations.

• The proportion of observations in a category.

• The difference between two categories.

• The sum of all frequencies.

Tags

CCSS.8.SP.A.4

Which of the following equations represents a linear function?

Tags

CCSS.8.F.A.3