Chapter 8

Front

What is the distance formula used to find the distance between two points (x1, y1) and (x2, y2)?

Back

Front

Define collinear points.

Back

Collinear points are points that lie on the same straight line.

Front

What is the formula to find the midpoint of a line segment between two points R(x1, y1) and S(x2, y2)?

Back

Front

Find the distance between the points (1, 2) and (4, 6).

Back

Front

What does it mean for points to be coplanar?

Back

Coplanar points are points that lie on the same plane.

Front

If R(-2, 1) and S(6, 5) are two points, what is the midpoint of segment RS?

Back

Front

What is the definition of a line segment?

Back

A line segment is a part of a line that is bounded by two distinct endpoints.

Front

How do you determine if three points A, B, and C are collinear?

Back

Three points A, B, and C are collinear if the area of the triangle formed by them is zero.

Front

Calculate the distance between the points (-2, 3) and (4, -5).

Back

Front

What is the definition of a plane in geometry?

Back

A plane is a flat, two-dimensional surface that extends infinitely in all directions.