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Q: What is the points where used to graph linear inequalities?
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What is linear interpolation used for?

Linear interpolation is used as a method used in mathematics of constructing a curve that has the best fit to a series of points of data using linear polynomials.


Why do you need coordinate planes?

They are used to map points on a graph and are used to make real maps as well as graph probabilities and distances.


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.


What are the black dots that surround a graph?

Its call the grid its used so the points you make are more accurate


How is solving a system of linear equations the same as solving a system of linear inequalities?

Not quite sure of the direction of the argument required.Any inequality can be made into an equality by using an auxiliary variable. For example,x + 2y < 3 is equivalent to x + 2y - a = 3 where a is some positive variable. [This method is used in linear programming.]Conversely, any equality can be written as a combination of two inequalities. For example,x + 2y = 3 is the same asx + 2y &acirc;&permil;&curren; 3 and x + 2y &acirc;&permil;&yen; 3