5. 9 32
5
F C = + is an equation that models the relationship in the table.
Equivalent Temperatures
Celsius, (°C) −15 −10 −5 0 5
Fahrenheit, (°F) 5 14 23 32 41
What does each variable represent?___________________________________________________.
What is the temperature in °F when it is 20°C? ___________________________________________.
Is the ordered pair (30, 86) a solution for the equation? Justify your answer.
_________________________________________