AIR MATH

Math Question

On a number line, the' directed line segment from \( Q \) to \( S \) has endpoints \( Q \) at \( -8 \) and S at 12 Point R partitions the directed line segment from \( Q \) to \( S \) in a \( 4.1 \) ratio. Which expression correctly uses the formula \( \left(\frac{m}{m+n}\right)\left(x_{2}-x_{1}\right)+x_{1} \) to find the location of point R? \( \left(\frac{1}{1+4}\right)(12-(-8))+(-8) \) \( 0 \cdot\left(\frac{4}{4+1}\right)(12-(-8))+(-8) \) (1) \( \left(\frac{4}{4+1}\right)(-8-12)+12 \) \( \left(\frac{4}{1+4}\right)(-8-12)+12 \)

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