Match each equation to a situation it could represent.
1 3u = -9
2 v-9=-3
3 3+ w = -9
4 -3x=9
A. The temperature dropped 9 degrees between 6 a.m. and noon The temperature at noon is -3 °F.
B. At midnight, the temperature was 3 °F. By 4 a.m., the temperature had fallen to -9 °F.
C. The temperature was 0 °F at midnight and -9 °F at 3 a.m. The temperature was dropping by the same number of degrees every hour.
D. The temperature was 0 °F at midnight and was dropping 3 degrees per hour. The temperature was 9°F at a certain time.
