Study the first example. Write the integer that represents the opposite of each real-world situation. In words, write the meaning of the opposite.

a. An atom's positive charge of 7

b. A deposit of $25

c. 3,500 feet below sea level

d. A rise of 45°C

e. A loss of 13 pounds

Answer

a) atom with positive charge of 7 opposite

in integer = - 7

atom with negative charge of 7

b) A deposit of $25 opposite

in integer = - $25

withdrawal of $25

c) 3,500 feet below sea level opposite

in integer = + 3,500

3,500 feet above sea level

d) A rise of 45°C opposite

in integer = - 45 °C

A fall of 45°C

e) A loss of 13 pounds

in integer = + 13

A gain of 13 pounds.