2024 #1 Readiness 8.8C, 8.4B, 8.4C, 8.5I, 8.5G, 8.5D 8.7A 8.12D

Front

What does 'no association' mean in the context of a graph?

Back

'No association' indicates that there is no discernible relationship between the variables represented in the graph.

Front

How can you use a trend line to make predictions in a scatter plot?

Back

A trend line can be used to estimate the value of one variable based on the value of another by extending the line to the desired value.

Tags

CCSS.8.SP.A.3

Front

What is a function in mathematical terms?

Back

A function is a relation that assigns exactly one output for each input.

Tags

CCSS.8.F.A.1

Front

How do you determine if y is a function of x from an equation?

Back

To determine if y is a function of x, check if for every x-value there is only one corresponding y-value.

Tags

CCSS.8.F.A.1

Front

What does the slope of a line represent in a graph?

Back

The slope represents the rate of change of y with respect to x, indicating how much y changes for a unit change in x.

Tags

CCSS.8.EE.B.5

Front

What is the y-intercept of a linear function?

Back

The y-intercept is the point where the line crosses the y-axis, represented as (0, y).

Front

How do you calculate the slope from two points on a line?

Back

The slope (m) can be calculated using the formula m = (y2 - y1) / (x2 - x1).

Tags

CCSS.8.EE.B.5

Front

What is the significance of the slope being positive or negative?

Back

A positive slope indicates that as x increases, y also increases, while a negative slope indicates that as x increases, y decreases.

Tags

CCSS.8.EE.B.5

Front

How can you interpret the slope of 1/4 in a real-world context?

Back

A slope of 1/4 means that for every 4 units increase in x, y increases by 1 unit.

Tags

CCSS.8.EE.B.5

Front

What does it mean for a function to be linear?

Back

A linear function is one that graphs to a straight line, characterized by a constant rate of change.

Tags

CCSS.8.F.A.3