Precalculus Examples

$y - 3 = x + 4$

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

Move all terms not containing $y$ to the right side of the equation.

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Step 1.2.1

Add $3$ to both sides of the equation.

$y = x + 4 + 3$

Step 1.2.2

Add $4$ and $3$ .

$y = x + 7$

Step 2

Using the slope-intercept form, the slope is $1$ .

$m = 1$

Step 3