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Because it fits the data. That's an extremely vague answer, but it was an extremely vague question.

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Q: Why linear equation is used?
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Is the equation 3s equals 2t linear or nonlinear?

A linear equation has no higher powers than 1. This is linear.


How do you know if numbers show linear relationship?

A linear equation looks like any other equation. It is made up of two expressions set equal to each other. A linear equation is special because: It has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction. When you find pairs of values that make the linear equation true and plot those pairs on a coordinate grid, all of the points for any one equation lie on the same line. Linear equations graph as straight lines.


A linear equation cannot always be graphed by using intercepts alone?

Yes it can. A linear equation in the form of y=mx+b can always be graphed used the x and y intercepts.


Why was there a need to invent linear equation in two variables?

If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.If two variables are related, then the simplest relationship between them is a linear one. The linear equation expresses such a relationship.


When does an equation graph a line?

When it is a linear equation.

Related questions

Is a linear equation the same as a function?

No a linear equation are not the same as a linear function. The linear function is written as Ax+By=C. The linear equation is f{x}=m+b.


What is 306g is equal too 22.5?

It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.It appears to be a linear equation in the variable, g.


How do you figure out if an equation is a linear equation?

An equation is linear if the highest power of the unknown in the equation is 1for example an equation with just a variable to the power one such as x, y and so on is linear but one with x2, y2 and above is not linear


Why are linear equation named linear equation?

Y = 5X - 3It form a linear function; a line.


What are the zeros of a linear equation?

A linear equation can have only one zero and that is the value of the variable for which the equation is true.


Is the equation 3s equals 2t linear or nonlinear?

A linear equation has no higher powers than 1. This is linear.


What are the application of linear equation?

They are used in statistics to predict things all the time. It is called linear regression.


Is linear function the same as linear equations?

No a linear equation are not the same as a linear function. The linear function is written as Ax+By=C. The linear equation is f{x}=m+b.


How do you know if numbers show linear relationship?

A linear equation looks like any other equation. It is made up of two expressions set equal to each other. A linear equation is special because: It has one or two variables. No variable in a linear equation is raised to a power greater than 1 or used as the denominator of a fraction. When you find pairs of values that make the linear equation true and plot those pairs on a coordinate grid, all of the points for any one equation lie on the same line. Linear equations graph as straight lines.


Is this equation linear or nonlinear y0?

linear (A+)


A linear equation cannot always be graphed by using intercepts alone?

Yes it can. A linear equation in the form of y=mx+b can always be graphed used the x and y intercepts.


Definition of linear equations?

A linear equation an equation whose graph is a line. A linear equation is made up of two expressions set equal to each other.