Question

1. find the slope of the line that passes through point a (4, 2) and point b (2, 4), using $m = \frac{y_2 - y_1}{x_2 - x_1}$.

$m = $
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Explanation:

Step1: Identify coordinates

Let \( (x_1, y_1) = (4, 2) \) and \( (x_2, y_2) = (2, 4) \).

Step2: Apply slope formula

Slope \( m = \frac{y_2 - y_1}{x_2 - x_1} = \frac{4 - 2}{2 - 4} \).

Step3: Simplify the expression

\( \frac{4 - 2}{2 - 4} = \frac{2}{-2} = -1 \).

Answer:

\(-1\)