Let's quickly review the steps for writing an equation given two points:

Using the Point-Slope Form of a Line Another way to express the equation of a straight line Point-slope refers to a method for graphing a linear equation on an x-y axis. While you could plot several points by just plugging in values of x, the point-slope form makes the whole process simpler.

Point-slope form is also used to take a graph and find the equation of that particular line. The point slope form gets its name because it uses a single point on the graph and the slope of the line.

Think about it this way: You have a starting point on a map, and you are given a direction to head.

You have all the information you need to draw a single line on the map. The standard point slope formula looks like this: In this case it denotes a specific y value which you will plug into the equation. The variable m is the slope of the line. Example 1 You are given the point 4,3 and a slope of 2.

Find the equation for this line in point slope form. Just plug the given values into your point-slope formula above. Your slope was given to you, so where you see m, use 2. Your final result should look like: Your point is -1,5.

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Create the equation that describes this line in point-slope form. Try working it out on your own. Point-slope form is all about having a single point and a direction slope and converting that between an algebraic equation and a graph.

In the example above, we took a given point and slope and made an equation. Example 2 Find the equation in point-slope form for the line shown in this graph: To write the equation, we need two things: It is simple to find a point because we just need ANY point on the line.

Note also that it is useful to pick a point on the axis, because one of the values will be zero.The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept..

If you know two points that a line passes through, this page will show you how to find the equation of the line. In the last lesson, I showed you how to get the equation of a line given a point and a slope using the formula. Anytime we need to get the equation of a line, we need two things.

Practice finding the equation of a line passing through two points If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *urbanagricultureinitiative.com and *urbanagricultureinitiative.com are unblocked.

A line has a slope of 7 and goes through the point negative 4, negative What is the equation of this line in slope-intercept form? So the equation of any line in slope-intercept form is y is equal to mx plus b, where m is the slope and b is the y-intercept.

- Steps For Writing Equations Given Two Points
- Example 1: Writing an Equation Given Two Points
- Writing slope-intercept equations
- Example 1: Graphing a Positive Slope
- Steps For Writing Equations Given Two Points

The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.. If you know the slope (m) any y-intercept (b) of a line, this page will show you how to find the equation of the line. Improve your math knowledge with free questions in "Find the slope of a graph" and thousands of other math skills.

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Find the Equation of a Line Given That You Know Its Slope and Y-Intercept - WebMath