In Ohm's law, voltage varies directly with current. Graph and upload the direct variation relationship between the voltage and the current, where the constant of proportionality is 0.5. Label the y-axis voltage and the x -axis current. UPLOAD WRITER

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.