Section 1.5 - Rational Number Operations
9 Questions
| Attempts: 249
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
- 6.At a golf tournament the golfers has a mean score of -2.25. If there were 60 golfers in the tournament, what was their combined score?
- A.
-150
- B.
-135
- C.
135
- D.
150
- 7.Evaluate the expression: 2 3/8 x (-5/6) / (3/4)
- A.
-3 7/36
- B.
-2 23/36
- C.
-1 31/64
- D.
-5/19
- 8.What number makes this equation true: -2 1/2 x ____ = - 1
- A.
-1 1/2
- B.
-2/5
- C.
2/5
- D.
1 1/2
- 9.The low temperature was - 25 C in January. What was the low temperature in degrees Fahrenheit? Use the formula F = 9/5C + 32 to convert to degrees Fahrenheit
- A.
-102.6 F
- B.
-13 F
- C.
8.8 F
- D.
12.6 F
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