The sum of two negative numbers is always negative, hence, this is the right choice.
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As for the other choices:
The product or quotient of two negative numbers is always positive.
A negative number taken to the power of a positive integer can be either negative or positive depending on whether the exponent is even or odd.
The difference of negative numbers can be either negative, positive, or zero:
To check you answer, you can try plugging in any negative number because that .
By choosing a random negative number, for example: –4, we can input the number into each choice and see if we come out with another negative number. When we put –4 in for x, we would have –4 – (–(–4)) or –4 – 4, which is –8. Plugging in the other options gives a positive answer. You can try other negative numbers, if needed, to confirm this still works.
x: –7 – 7= –7 + –7 = –14
y: –7 – (–7) = –7 + 7 = 0
when subtracting a negative number, turn it into an addition problem
Begin by isolating your variable.
Then, divide both sides by
Recall that division of a negative by a negative gives you a positive, therefore:
The rule for dividing negative numbers is the same as for multiplying negative numbers.
If both numbers are negative, you will get a positive answer.
If either number is positive, and the other is negative, you will get a negative answer.
To solve, first put the equation in terms of
First multiply the x to both sides.
Now divide by 12 to solve for x.
Here, because one of the numbers in the equation is positive, and the other is negative, the answer must be a negative number:
To evaluate this, rewrite the expression with the correct signs.
Positive multiplied with a negative sign results in a negative, and a double negative results in a positive sign.
It is possible to rewrite the expression as:
Take the negative of the difference of 47 and 23.
The answer is
Evaluate the inner term inside the parenthesis first. The expression can then be simplifed to an integer.
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