Answer :
The reverse of adding -197 is adding 197 because it cancels out the effect of the initial operation. Therefore, the correct answer is D. Add 197.
The student's question asks for the reverse of adding -197. In mathematics, to find the reverse (or the inverse) of an operation, you typically perform the opposite action.
Here, adding -197 means increasing a number by a negative value, which is equivalent to subtracting 197.
Therefore, the reverse operation would be to add 197 back to the number.
This is because adding 197 would cancel out the subtraction effect of -197, bringing the original value back to its starting point.
Hence, the correct answer is: D. Add 197.
The correct answer is option D.
The reverse of a mathematical operation is the opposite of that operation. In the case of the terms listed, the reverse of add would be subtract, the reverse of multiply by -197 would be divide by -197, the reverse of multiply by 197 would be divide by 197, and the reverse of subtract would be add. Therefore, the reverse of the terms listed would be to subtract -197A, divide by -197B, divide by 197C, add 197D, subtract 197E, and add 197F.
To reverse the given operations, we would first subtract -197A, which would be the same as adding 197A. Next, we would divide by -197B, which would be the same as multiplying by -1/197B. Then, we would divide by 197C, which would be the same as multiplying by 1/197C. After that, we would add 197D, subtract 197E, and finally, add 197F.
In summary, the reverse of the given terms would be to add 197A, multiply by -1/197B, multiply by 1/197C, add 197D, subtract 197E, and add 197F.
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