Pre-Algebra Examples

$x - 8 > y$

Step 1

Rewrite so $y$ is on the left side of the inequality.

$y < x - 8$

Step 2

Use the slope-intercept form to find the slope and y-intercept.

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Step 2.1

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 2.2

Find the values of $m$ and $b$ using the form $y = m x + b$ .

$m = 1$

$b = - 8$

Step 2.3

The slope of the line is the value of $m$ , and the y-intercept is the value of $b$ .

Slope: $1$

y-intercept: $(0, - 8)$

Slope: $1$

y-intercept: $(0, - 8)$

Step 3

Graph a dashed line, then shade the area below the boundary line since $y$ is less than $x - 8$ .

$y < x - 8$

Step 4