Examples

y = 7 x - 3

$y = 7 x - 3$

Step 1

Use the slope-intercept form to find the slope.

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Step 1.1

The slope-intercept form is

y = m x + b

$y = m x + b$ , where

m

$m$ is the slope and

b

$b$ is the y-intercept.

y = m x + b

$y = m x + b$

Step 1.2

Using the slope-intercept form, the slope is

7

$7$ .

m = 7

$m = 7$

m = 7

$m = 7$

Step 2

The equation of a perpendicular line to

y = 7 x - 3

$y = 7 x - 3$ must have a slope that is the negative reciprocal of the original slope.

m_{perpendicular} = - \frac{1}{7}

$m_{perpendicular} = - \frac{1}{7}$

Step 3

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