Learn how to find equations of lines, parallel or perpendicular to a given line, passing through a given point, and see examples that walk through sample problems step-by-step for you to …

Learn how to find the tangent line to a curve at a given point, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Learn what a line of best fit means and how to make a line of best fit using both Excel and the point slope formula. See examples of making predictions from it.

Learn how to approximate the equation of a line of best fit and make predictions, and see examples that walk through sample problems step-by-step for you to improve your math …

Learn how to write slope in standard form and slope-intercept form. Also find the slope of a line and how to find the slope of a linear equation with examples.

The equation that best represents the line of best fit for the scatter plot is a straight line, usually represented by the equation y = mx + b. m being the slope and b being the y intercept.

The midpoint formula gives the midpoint of line segments on a coordinate plane. Learn how to find the midpoint of a line segment with examples.

In mathematics, trend lines help determine the behavior and direction of a data set. Learn how to find the equation of a trend line by exploring the steps and worked examples.

Learn how to write the equation of a vertical line through a given point, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills.

Compare parallel and perpendicular lines with examples in this 5-minute video. Learn how to find them using equations, view them on a graph, and take a quiz.