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The word linear means in a straight line. If the graph is a line, it is linear. Also, linear equations are of the first order; they contain a variable but not a square (or higher power) of a variable. If the equation contains x2 it is not linear.

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Q: How can you tell if a graph is a linear function?
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Related questions

What does a linear equation graph look like?

A linear function is a function whose graph is a straight line.


How can you tell by looking at the graph of a function that it is nonlinear?

A linear function would be represented by a straight line graph, so if it's not a straight line, it's nonlinear


What is the graph of a linear function?

the graph is called a line


How do you graph linear functions?

A linear function is called "linear" because it represents a straight line. To graph a linear function, find two points that satisify that function, plot them, and then draw a straight line between them.


What is a function whose graph is a straight line?

A linear function.


A function whose graph is a straight line?

linear function


What is a function called that has a graph which is a straight line?

A linear function


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a) A circle is not the graph of a function. b) A circle is not linear.


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Linear growth means that the graph is a straight line.


How does the graph of an exponential function differ from the graph of a linear function and how is the rate of change different?

The graph of a linear function is a line with a constant slope. The graph of an exponential function is a curve with a non-constant slope. The slope of a given curve at a specified point is the derivative evaluated at that point.


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A linear function.