Algebra EOC Review

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation implies that one variable directly affects the other.

Front

What does a positive correlation mean?

Back

A positive correlation means that as one variable increases, the other variable also increases.

Front

What does a negative correlation mean?

Back

A negative correlation means that as one variable increases, the other variable decreases.

Front

What does 'no association' mean in a scatter plot?

Back

'No association' means there is no discernible relationship between the two variables being plotted.

Front

How do you solve for x in the equation x = by + v?

Back

To solve for x, you simply substitute the values of b, y, and v into the equation.

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables.

Front

What does it mean if a scatter plot shows a downward trend?

Back

A downward trend in a scatter plot indicates a negative correlation between the two variables.

Front

What is the formula for finding the slope of a line?

Back

The slope (m) is calculated as m = (y2 - y1) / (x2 - x1) between two points (x1, y1) and (x2, y2).

Front

What is the y-intercept in a linear equation?

Back

The y-intercept is the point where the line crosses the y-axis, represented as (0, b) in the equation y = mx + b.

Front

What does it mean for a variable to be independent?

Back

An independent variable is one that is manipulated or changed in an experiment to observe its effect on a dependent variable.