# Write an equation of the line calculator

Point slop is one of the method used to find the straight line equation. ## Rational Expressions

It is produced from raw data obtained by measurement or testing. The simplest and most common trend line equations are linear, or straight. Once you know the trend line equation for the relationship between two variables, you can easily predict what the value of one variable will be for any given value of the other variable.

Predicting a Value Examine your trend line equation to ensure it is in the proper form. The equation for a linear relationship should look like this: X is the independent variable and is usually the one you have control over.

Y is the dependent variable that changes in response to X. The other two letters, M and B, stand for actual numbers that are specific to your data, so your trend line equation will have numerical values in place of M and B.

Rewrite the equation and replace the generic symbols X and Y with the actual names of your variables.

## Find the Equation of a Straight Line

Your equation would look like this: Sciencing Video Vault Decide which of the two variables you want to predict.

You will assign a number value to the other, predictive, variable. So to predict blood pressure, you would choose salt intake as the predictive variable you assign a number to. Decide at which value of your predictive variable you want to make your prediction. In the case of the blood pressure example, you would choose at what level of salt intake you want to predict blood pressure.

Rearrange the equation, if necessary, so the variable you want to predict is alone on one side of the equal sign. Substitute the chosen numerical value of the predictive variable into the equation.

Using a calculator, solve the equation to find the predicted value of the other variable. The procedure above will also work for other more complicated trend line equations such as polynomials. Michael has worked for an aerospace firm where he was in charge of rocket propellant formulation and is now a college instructor.This online calculator can find and plot the equation of a straight line passing through the two points.

The calculator will generate a step-by-step explanation on how to obtain the result. urbanagricultureinitiative.com: Texas Instruments TIX IIS 2-Line Scientific Calculator, Black with Blue Accents: Office Products.

The slope intercept form calculator tells you how to find the equation of a line for any two points that this line passes through. It will help you find the coefficients of slope and y-intercept, as well as the x-intercept, using the slope intercept formulas.

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.

Free line equation calculator - find the equation of a line given two points, a slope, or intercept step-by-step. This calculator find and plot equations of parallel and perpendicular to the given line and passes through given point. The calculator will generate a step-by-step explanation on how to obtain the result. Percent Composition Calculations Chemistry Tutorial