Chapter 1.1, Problem 2ED

(A)

To determine

To replace: The symbol “?” with $<\text{or }>$ in $-1?3\text{ and }2\left(-1\right)?2\left(3\right)$.

(B)

To determine

To replace: The symbol “?” with $<\text{or }>$ in $-1?3\text{ and }-2\left(-1\right)?-2\left(3\right)$.

(C)

To determine

To replace: The symbol “?” with $<\text{or }>$ in $12?-8\text{ and }\frac{12}{4}?\frac{-8}{4}$.

(D)

To determine

To replace: The symbol “?” with $<\text{or }>$ in $12?-8\text{ and }\frac{12}{-4}?\frac{-8}{-4}$.

To determine

To describe: The effect of multiplying the given inequality by a number.