List of top Mathematics Questions on Slope of a line asked in KEAM

If the slope of the line joining the points \((3,4)\) and \((-2,a)\) is equal to \(-\frac{2}{5}\), then the value of \(a\) is:

A thin particle moves from \((0,1)\) and gets reflected upon hitting the x-axis at \((√3,0)\). Then the slope of the reflected line is ?

The slope of the straight line \( \frac{x}{10} - \frac{y}{4} = 3 \) is:

The slope of the straight line$\frac{ x}{10 }$-$\frac{y }{4 }$ = 3 is