SAT Math : How to multiply negative numbers
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Example Question #2 :Negative Numbers
If
Because
Because
To check you answer, you can try plugging in any negative number for
Example Question #1 :How To Multiply Negative Numbers
Multiply the following negative numbers:
When two negative numbers are multiplied by each other, the result is a positive number.
When a negative and a nonnegative number are multiplied with each other, the result is a negative number.
Therefore, since
Therefore, the answer is positive
Example Question #2 :How To Multiply Negative Numbers
Multiply:
Simplify the expression term by term.
一个负数乘以一个负数gives a positive number.
A negative number multiplied by a positive number gives a negative number.
Example Question #3 :How To Multiply Negative Numbers
Multiply:
Multiply the first two terms. A negative number times another negative will result in a positive number.
Multiply 27 with negative 2. A positive number times a negative number will result in a negative number.
The answer is:
Example Question #4 :How To Multiply Negative Numbers
Solve the following equation:
If there are two negative signs, then the answer will be positive. If there were only one negative sign, the answer will be negative.
Example Question #5 :How To Multiply Negative Numbers
Simplify the following expression:
Simplify the following expression:
让我们开始通过扩大parenth的内部eses.
Now, it is important to use all three negative signs. The first two will cancel out, but the third one will remain, ensuring our final answer will be negative.
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