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How do you determine the slope of the line passing through (-2, 3) and ( 4, 9 ) ?

1 Answer

Mar 16, 2018

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Explanation:

The formula for slope is as follows:

$\frac{y_{2} - y_{1}}{x_{2} - x_{1}}$ $(y_2-y_1)/(x_2-x_1)$

So using your two points, (-2, 3) and (4, 9) we have
$x_{1} = - 2$ $x_1= -2$
$x_{2} = 4$ $x_2= 4$
$y_{1} = 3$ $y_1= 3$
$y_{2} = 9$ $y_2= 9$

Plug into the formula: $\frac{9 - 3}{4 - (- 2)}$ $(9-3)/(4-(-2))$

We get the slope as: $\frac{6}{6}$ $6/6$ , which equals $1$ $1$

Slope = 1

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