What is the slope of the line on this graph?



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$\text{Basic}$
$x$y$x^2$\sqrt{ }$\frac{x}{ }$
$x\frac{ }{ }$
$x^{ }$x_{ }$\degree$\left(\right)$\abs{ }$\pi$\infty$
Coordinate plane with a line drawn from quadrant two to quadrant four, crossing the y axis at negative one and the x axis at negative one and one half.