Section 1.5 - Rational Number Operations

5 Questions | By Seixeiroda | Last updated: Dec 14, 2012 | Total Attempts: 240

Complete the following questions

Questions and Answers

1.

Calculate the expression: -3 2/3 + (-6 2/5)
- A.
  
  -10 1/15
- B.
  
  -9 14/15
- C.
  
  -2 11/15
- D.
  
  10 1/15
2.

When you multiply two numbers, which of the following will result in a negative product?
- A.
  
  If both factors are negative
- B.
  
  If one factor is negative and the other is 0
- C.
  
  If both factors are positive
- D.
  
  If one factor is negative and the other is postive
3.

The temperature outside is -10 F. What is the temperature is degrees Celsius? Use the formula C = 5/9(F - 32) to convert to degrees Celsius.
- A.
  
  -75.2 C
- B.
  
  -23 1/3 C
- C.
  
  -12 2/9 C
- D.
  
  12 2/9 C
4.

Evaluate the expression (3/5 - 5/8) x (-2/3)
- A.
  
  -1/30
- B.
  
  -1/60
- C.
  
  1/60
- D.
  
  1/30
5.

Evaluate the expression: -4.5(2.8)(3.6 - 1.9)
- A.
  
  -34.02
- B.
  
  -21.42
- C.
  
  21.42
- D.
  
  34.02

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