Question
designate each of the given numbers as being an integer, rational, irrational, real, or imaginary. (More than one designation may be correct.)$$-0.857, \quad \sqrt{2}, \quad-\frac{19}{4}, \quad \frac{\sqrt{-5}}{-2}$$
Step 1
An integer is a whole number, a rational number is a number that can be expressed as a fraction, an irrational number cannot be expressed as a fraction, a real number can be either rational or irrational, and an imaginary number is a number that can be written as Show more…
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