Question

What is the slope of the line which passes through (4, 5) and (0, 1)?

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1

0

4

Answer 1

Slope = rise/run
= (5 - 1)/(4 - 0)
= 4/4
= 1

Answer 2

\[slope = \frac{y_2 - y_1}{x_2 - x_1}\]

y2 = 1
y1 = 5
x2 = 0
x1 = 4

therefore...
\[slope = \frac{1 - 5}{0-4} = \frac{-4}{-4}\]