Question

Which equation represents a linear function?

Answer 1

The answer is:  [C]:  "Equation 3" .
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{which is:  " y = 5x – 1 " } .
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Note:  Among the FOUR (4) equations in the answer choices;  "Equation 3" is the only equation that does NOT contain an "exponent" (that is; an exponent other than the (implied exponent of "postive 1").
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Furthermore,  "Equation 3" is written in "slope-intercept form" ; that is:

"y = mx + b" ;  the form of a linear equation.
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