P6 Math 7. Chapter 1 Quiz Sept 10 2015

10 Questions | By Alled | Updated: Mar 14, 2022 | Attempts: 65

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1.

Order the values from least to greatest. 1, |5|, 4, |-8|, -2
- A.
  
  -2, 1, 4, |-8|, 5
- B.
  
  |-8|, -2, 1, 4, |5|
- C.
  
  -2, 1, 4, |5|, |-8|
- D.
  
  1, |5|, 4 |-8|, -2
2.

The freezing point is the temperature at which a liquid becomes a solid. The freezing point of butter is 35 degrees and the freezing point of the mercury is -39 degrees. Which is closer to the freezing point of water at 0 degrees. (All temperatures are in Centigrade).
- A.
  
  Butter
- B.
  
  Mercury
3.

True or False. |-3| < 3
- A.
  
  True
- B.
  
  False
4.

A scuba diver dives down 20 feet in the ocean. Then she swims 11 feet back up towards the surface of the water. How many feet deep from the surface of water is the final position of the diver?
- A.
  
  20 - - 11
- B.
  
  -20 + 11
- C.
  
  11 + 20
- D.
  
  11 - - 20
5.

Temperatures in the Gobi Desert reach -40 degrees(F) in the winter and 90 degrees (F) in the summer. Find the range of the temperatures. In this case, find the expression that results in correct range value as a positive number.
- A.
  
  -40 - 90
- B.
  
  90 - (-40)
- C.
  
  -40 + 90
- D.
  
  -40 - (-90)
6.

Evaluate the expression 4 - a - c when a = -2 c = 5
- A.
  
  -3
- B.
  
  11
- C.
  
  1
- D.
  
  -1
7.

True / False: Absolute Value is the distance between a number and 0 (zero) on the number line.
- A.
  
  True
- B.
  
  False
8.

-12 - (-27) is less than zero.
- A.
  
  True
- B.
  
  False
9.

Evaluate the expression (simplify). -6 + (-11) - 2
- A.
  
  19
- B.
  
  3
- C.
  
  7
- D.
  
  -19
10.

Evaluate the expression. -5 - (-5)
- A.
  
  0
- B.
  
  -10
- C.
  
  10
- D.
  
  None of the above