A Celsius thermometer can be used as a physical model of a number line with 0°C representing the freezing point. Select all temperature pairs that include numbers that are located on opposite sides of 0°C.
–9°C and 0°C
0°C and 4.4°C
–2°C and –3 1/2°C
–8 1 2 °C and 7°C
2.3°C and –6°C
