## Basic College Mathematics (10th Edition)

a) $$\frac{-5}{-1} = 5$$ $$\frac{-13}{-1} = 13$$ $$\frac{-21}{-1} = 21$$ b) $$\frac{5}{-1}= -5$$ $$\frac{13}{-1}= -13$$ $$\frac{21}{-1} = -21$$ Divide by $-1$ give you the same number but with different sign
a) $$\frac{-5}{-1} = 5$$ $$\frac{-13}{-1} = 13$$ $$\frac{-21}{-1} = 21$$ b) $$\frac{5}{-1}= -5$$ $$\frac{13}{-1}= -13$$ $$\frac{21}{-1} = -21$$ Divide by $-1$ give you the same number but with different sign