run

NOVEMBER 14, 2023

What is run in math? Definition

In mathematics, the term "run" refers to the horizontal distance between two points on a graph or a line. It is often used in conjunction with the term "rise," which represents the vertical distance between the same two points. Together, the run and rise are used to calculate the slope of a line or the gradient of a graph.

History of run

The concept of run has been used in mathematics for centuries. It can be traced back to ancient Greek mathematicians who studied the properties of lines and angles. The idea of measuring the distance between two points horizontally was essential in the development of coordinate geometry by René Descartes in the 17th century.

What grade level is run for?

The concept of run is typically introduced in middle school mathematics, around grades 6 to 8. It is an important topic in algebra and geometry courses, where students learn about lines, slopes, and graphs.

Knowledge points of run and detailed explanation step by step

To calculate the run between two points on a graph or a line, follow these steps:

  1. Identify the coordinates of the two points. Let's call them (x1, y1) and (x2, y2).

  2. Subtract the x-coordinates of the two points: run = x2 - x1.

The resulting value represents the horizontal distance between the two points.

Types of run

There are no specific types of run. However, the concept of run is used in various mathematical contexts, such as finding the slope of a line, determining the rate of change, or analyzing the behavior of functions.

Properties of run

The properties of run depend on the context in which it is used. However, some general properties include:

  • The run between two points is always a positive value or zero.
  • If the two points have the same x-coordinate, the run is zero.
  • The run can be used to determine the direction of a line or the behavior of a function.

How to find or calculate run?

To find or calculate the run, you need the coordinates of two points. Once you have the coordinates, subtract the x-coordinate of the first point from the x-coordinate of the second point.

Formula or equation for run

The formula for calculating the run between two points (x1, y1) and (x2, y2) is:

run = x2 - x1

How to apply the run formula or equation?

To apply the run formula, substitute the x-coordinates of the two points into the formula and subtract them to find the run.

For example, if the coordinates of the two points are (3, 5) and (8, 5), the run would be:

run = 8 - 3 = 5

Symbol or abbreviation for run

There is no specific symbol or abbreviation for run. It is commonly represented by the word "run" or the letter "r" in mathematical equations or explanations.

Methods for run

The main method for calculating the run is to subtract the x-coordinates of two points. However, there are alternative methods depending on the context, such as using the slope formula or analyzing the behavior of a function.

More than 3 solved examples on run

Example 1: Find the run between the points (2, 4) and (6, 4). Solution: run = 6 - 2 = 4

Example 2: Calculate the run between (-3, 2) and (5, 2). Solution: run = 5 - (-3) = 8

Example 3: Determine the run between (0, 0) and (0, 7). Solution: run = 0 - 0 = 0

Practice Problems on run

  1. Find the run between the points (1, 3) and (7, 3).
  2. Calculate the run between (-2, 5) and (3, 5).
  3. Determine the run between (4, 2) and (4, -3).

FAQ on run

Question: What is run? Answer: In mathematics, run refers to the horizontal distance between two points on a graph or a line. It is often used to calculate the slope or gradient of a line.