Difference between revisions of "Linear function"
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A '''linear function''' is a degree 1 [[polynomial]]; every degree 1 polynomial is a linear function. Linear functions can be written in the form <math>f(x) = mx + b</math>, where x is a variable and m and b are [[real number]]s. When plotted on the Cartesian [[coordinate plane]], a linear function forms a straight [[line]], hence its name. | A '''linear function''' is a degree 1 [[polynomial]]; every degree 1 polynomial is a linear function. Linear functions can be written in the form <math>f(x) = mx + b</math>, where x is a variable and m and b are [[real number]]s. When plotted on the Cartesian [[coordinate plane]], a linear function forms a straight [[line]], hence its name. | ||
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Revision as of 15:23, July 13, 2016
A linear function is a degree 1 polynomial; every degree 1 polynomial is a linear function. Linear functions can be written in the form <math>f(x) = mx + b</math>, where x is a variable and m and b are real numbers. When plotted on the Cartesian coordinate plane, a linear function forms a straight line, hence its name.