GED Math : Operations with Negative Numbers
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Example Questions
Example Question #1 : Operations With Negative Numbers
Solve:
When a negative number is multipied by a positive number, the result is negative.
Therefore,
Example Question #2 : Operations With Negative Numbers
Evaluate:
Do not use a calculator.
To subtract a larger positive number from a smaller positive number, do the reverse, then affix a negative symbol, as demonstrated here:
So subtract 3.7 from 9.17:
Since the answer must be negative, it is 
Example Question #2 : Operations With Negative Numbers
Evaluate:
Do not use a calculator.
To obtain the product of two numbers of unlike sign, multiply their absolute values:
The product will remain positive.
Example Question #3 : Operations With Negative Numbers
Evaluate 
Substitute 
Example Question #4 : Operations With Negative Numbers
Evaluate:
Do not use a calculator.
To subtract with negative numbers, change to an addition and make the second number its opposite:
To add two numbers of unlike sign, if the positive has the greater absolute value, simply subtract the absolute values.
The answer is 45.
Example Question #5 : Operations With Negative Numbers
Evaluate:
Do NOT use a calculator.
To obtain the product of two numbers of unlike sign, multiply their absolute values and affix a negative symbol.
Example Question #6 : Operations With Negative Numbers
Which of these is not equal to 
Do not use a calculator.
The reciprocal of
Only one of the choices is positive - 
Example Question #7 : Operations With Negative Numbers
Evaluate:
Example Question #8 : Operations With Negative Numbers
How many of these statements are correct?
I)
II)
III)
One
Two
None
Three
Three
The absolute value of a negative number can be determined by removing the negative symbol, so 
Example Question #9 : Operations With Negative Numbers
Raise 
Do not use a calculator.
An odd power of a negative number is negative, so take 11 to the third power, then affix a negaitve symbol.
The result must be negative, so the correct response is 
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