S1 Review 8th Grade Part 2 2024

Front

What is a positive relationship in a scatterplot?

Back

A positive relationship in a scatterplot indicates that as one variable increases, the other variable also increases.

Front

What is a negative relationship in a scatterplot?

Back

A negative relationship in a scatterplot indicates that as one variable increases, the other variable decreases.

Front

What does it mean if a scatterplot shows no relationship?

Back

It means that there is no discernible pattern or correlation between the two variables.

Front

What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatterplot, used to make predictions.

Front

How do you determine if a relation is a function?

Back

A relation is a function if each input (x-value) has exactly one output (y-value).

Front

What is an undefined slope?

Back

An undefined slope occurs in a vertical line, where the change in x is zero, leading to division by zero.

Front

Back

Front

What does it mean to make predictions using a line of best fit?

Back

It means using the line to estimate the value of one variable based on the value of another variable.

Front

What is the significance of the x-value in a function?

Back

The x-value represents the input of the function, and each x-value must correspond to only one y-value.

Front

What is a scatterplot?

Back

A scatterplot is a graph that displays values for two variables using dots to represent the data points.