Negative Numbers
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SAT Math › Negative Numbers
Add:
Explanation
Anytime a negative number is added, it is similar to subtraction. Recovert the expression to the correct form. Simplify.
The correct answer is .
Add:
Explanation
Anytime a negative number is added, it is similar to subtraction. Recovert the expression to the correct form. Simplify.
The correct answer is .
Evaluate:
Explanation
Reconvert into single signs. Remember that double negatives will turn into a positive.
Evaluate:
Explanation
Reconvert into single signs. Remember that double negatives will turn into a positive.
Add the negative numbers:
Explanation
In order to add the negative numbers, we need to eliminate the double signs and the parentheses. A positive and a negative sign will result in a negative sign.
Evaluate the terms on the right.
The answer is:
Add the negative numbers:
Explanation
In order to add the negative numbers, we need to eliminate the double signs and the parentheses. A positive and a negative sign will result in a negative sign.
Evaluate the terms on the right.
The answer is:
What is ?
45
Explanation
A negative number divided by a negative number always results in a positive number. divided by
equals
. Since the answer is positive, the answer cannot be
or any other negative number.
What is ?
45
Explanation
A negative number divided by a negative number always results in a positive number. divided by
equals
. Since the answer is positive, the answer cannot be
or any other negative number.
Simplify the following expression:
Explanation
Simplify the following expression:
To subtract negative numbers, we must recall that subtracting negative numbers is the same as adding a positive. The two negatives cancel each other out to become positive.
So our answer is negative 220
Subtract:
Explanation
Subtracting a negative number moves the number farther left of the zero digit on the number line.
The answer is: