Precalculus Examples

$4 - 3 x = y$

Step 1

Rewrite in slope-intercept form.

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Step 1.1

The slope-intercept form is $y = m x + b$ , where $m$ is the slope and $b$ is the y-intercept.

$y = m x + b$

Step 1.2

Rewrite the equation as $y = 4 - 3 x$ .

$y = 4 - 3 x$

Step 1.3

Reorder $4$ and $- 3 x$ .

$y = - 3 x + 4$

Step 2

Using the slope-intercept form, the slope is $- 3$ .

$m = - 3$

Step 3