7.4, 7.5, 7.4a, 7.4b, 7.5, 7.8 Mid Chapter 1 Quiz (7Math)

 $\left|7\right|$  

• -7

• 7

• 0

 $\left|-\frac{1}{5}\right|$  

• 5

•  $-\frac{1}{5}$  

•  $\frac{1}{5}$  

-3 + (-9)

• -12

• -6

• 6

-13 + 6

• -19

• -7

• 7

 $-2\ \frac{1}{2}\ +\ -\frac{7}{2}$  

• -6

• -1

• -3

-9.12 + (-2.48)

• -7.64

• -11.6

• 7.36

 $2.7,\ \left|-3.2\right|,\ -1.6,\ 5\ \frac{1}{2},\ \left|1.8\right|$  Order the values from least to greatest.

•  $-1.6,\ \left|1.8\right|,\ 2.7,\ \left|-3.2\right|,\ 5\ \frac{1}{2}$  

•  $\left|-3.2\right|,\ -1.6,\ \left|1.8\right|,\ 2.7,\ 5\ \frac{1}{2}$  

 $\left|-a\ +\ b\ +\ c\right|$  Evaluate when a = -1, b = 4, c = -5

• -10

• 0

• -2

At midnight, the temperature is 38 degrees Fahrenheit. The temperature decreases 1 degree each hour until 3:00 A.M. The temperature then increases 2 degrees each hour until 7:00 A.M. What is the temperature at 7:00 A.M. ?

• 43 degrees F

• 44 degrees F

• 19 degrees C