Fall Semester Review

Front

What is a system of equations?

Back

A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.

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How do you represent a word problem as a system of equations?

Back

Identify the variables, write equations based on the relationships described, and ensure the equations reflect the total quantities and costs.

Front

What is the slope-intercept form of a linear equation?

Back

Front

How do you convert from standard form to slope-intercept form?

Back

Front

What is the vertical line test?

Back

The vertical line test determines if a graph represents a function. If a vertical line intersects the graph at more than one point, it is not a function.

Front

What does it mean for a graph to be a function?

Back

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

Front

What is correlation in statistics?

Back

Correlation measures the strength and direction of a linear relationship between two variables.

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What are the types of correlation?

Back

Types of correlation include positive correlation, negative correlation, and no correlation.

Front

What does a strong positive correlation indicate?

Back

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

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What does a weak negative correlation indicate?

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A weak negative correlation indicates that as one variable increases, the other variable tends to decrease, but the relationship is not strong.