Line & Curve of Best Fit Review

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 scatter plot. It shows the trend of the data points and can be used to make predictions.

Front

What is the equation of a line in slope-intercept form?

Back

Front

How do you determine the slope of a line?

Back

Front

What does the y-intercept represent in a linear equation?

Back

Front

What is a quadratic equation?

Back

Front

What do the coefficients in a quadratic equation represent?

Back

Front

How can you find the vertex of a quadratic function?

Back

Front

What is the purpose of using a curve of best fit?

Back

A curve of best fit is used to model the relationship between variables in data that does not follow a linear pattern, allowing for better predictions and understanding of trends.

Front

How do you predict future values using a line of best fit?

Back

To predict future values using a line of best fit, extend the line beyond the existing data points and use the equation of the line to calculate the expected value for a given input.

Front

What is the significance of the quadratic model in real-world applications?

Back

Quadratic models are significant in real-world applications such as physics (projectile motion), economics (profit maximization), and engineering (design of structures) where relationships are parabolic.