Which definition better describes a linear equation?

A. How steep a straight line is.
B. An equation that makes a straight line when it is graphed.
C. Two numbers written in a certain order.
D. A special relationship where each input has a single output.



Answer :

Final answer:

A linear equation is an equation that represents a straight line in Cartesian coordinates with a defined slope and y-intercept.


Explanation:

Linear Equation is an equation where each term is either a constant or a constant times the first power of a variable, representing straight lines in Cartesian coordinates. The equation y = mx + b is a common form of a linear equation in two variables. The slope (m) in a linear equation describes the rate of change, while the y-intercept (b) is the point where the line crosses the y-axis when x = 0.


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