This lesson discusses the relationship between positive and negative numbers. It is 4 of 13 in the series titled "Relating Positive and Negative Numbers."

This lesson discusses the relationship between positive and negative numbers. It is 5 of 13 in the series titled "Relating Positive and Negative Numbers."

This lesson discusses the relationship between positive and negative numbers. It is 8 of 13 in the series titled "Relating Positive and Negative Numbers."

This lesson demonstrates how an object can be rotated in space and on a coordinate plane about different points. It is 5 of 5 in the series titled "Rotating On a Coordinate Plane."

In this lesson, the size of negative numbers will be discussed. It is 2 of 10 in the series titled "Size and Negativity."

In this lesson, the size of negative numbers will be discussed. It is 3 of 10 in the series titled "Size and Negativity."

In this lesson, the size of negative numbers will be discussed. It is 4 of 10 in the series titled "Size and Negativity."

In this lesson, the size of negative numbers will be discussed. It is 9 of 10 in the series titled "Size and Negativity."

This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.

This lesson presents how to write an equation of a line that passes through a given point and is parallel to a given line.

This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line.

This lesson presents how to write an equation of a line that passes through a given point and is perpendicular to a given line.

This lesson explains the concepts of x-intercepts and y-intercepts on graphs.

This lesson explains the concepts of x-intercepts and y-intercepts on graphs.

The reflection of the graph of a function across the x-axis is discussed in this lesson.

The reflection of the graph of a function across the x-axis is discussed in this lesson.

The reflection of the graph of a function across the x-axis is discussed in this lesson.

The incremental markings along the axes of a coordinate plane are introduced here. This lesson is 3 of 7 in the series titled "Marking the Coordinate Plane."

This lesson [7:55] will demonstrate how to use slope, midpoint, and distance formulas to determine from the coordinates of the vertices if a quadrilateral is a rectangle in a coordinate plane. It is 3 of 5 in the series titled...

This lesson [7:20] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 2 of 4 in the series titled...

This lesson [5:14] will demonstrate how to use slope, midpoint, and distance formulas to determine, from the coordinates of the vertices, if a quadrilateral is a trapezoid in a coordinate plane. It is 1 of 4 in the series titled...

This lesson shows how a coordinate plane should be drawn and labeled. It is 3 of 11 in the series titled "Drawing a Coordinate Plane."

This lesson shows how a coordinate plane should be drawn and labeled. It is 7 of 11 in the series titled "Drawing a Coordinate Plane."

In this lesson, the size of negative numbers will be discussed. It is 1 of 10 in the series titled "Size and Negativity."