What is the slope of (3,-8),(12,-15) ?

The slope of (3,-8),(12,-15) is m=-7/9

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slope of (3,-8),(12,-15)

slope

(3, - 8), (12, - 15)

m = - \frac{7}{9}

Solution steps

Slope between two points: Slope

= \frac{y _{2} - y _{1}}{x _{2} - x _{1}}

(x_{1}, y_{1}) = (3, - 8), (x_{2}, y_{2}) = (12, - 15)

m = \frac{- 15 - ( - 8 )}{12 - 3}

Refine

m = - \frac{7}{9}

\frac{d y}{d x} = - \frac{x}{4 y}

\frac{d}{d x} (x^{2} \cdot y)

\int_{0}^{1} \frac{4}{x ( x + 1 )} d x

y = 4 (x + 1), y = 5 (x + 1), x = 2

\frac{d}{d x} (3 x^{2} y^{2})