Find the slope and y-intercept of the lines $3 x = y$ .

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Solution

We solve the given line $3 x = y$ for $y$ as follows:

$3 x = y \Rightarrow y = 3 x + 0 . . . . . . (1)$

We know that the equation of a line is $y = m x + c$ where $m$ is the slope of the line and $c$ is the y-intercept.

Comparing the equation of line $y = m x + c$ with equation 1 we have,

$m = 3$ and $c = 0$

Hence, the slope of the line is $3$ and the y-intercept is $0$ .

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