# Linear function graph (straight): y = kx + b

A linear function is a function of the form

A graph of a linear function is a straight line. Since a line is defined by any two points, you only need two points to draw this graph.

`y(x) = kx + b`

,
where `k`

and `b`

are set numbers.A graph of a linear function is a straight line. Since a line is defined by any two points, you only need two points to draw this graph.

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