Which of the following is a correct interpretation of the expression 9+(−7)?Choose 1 answer:(A) The number that is 7 to the left of 9 on the number line(B) The number that is 7 to the right of 9 on the number line(C) The number that is 9 to the left of 7 on the number line(D) The number that is 9 to the right of 7 on the number line
Q. Which of the following is a correct interpretation of the expression 9+(−7)?Choose 1 answer:(A) The number that is 7 to the left of 9 on the number line(B) The number that is 7 to the right of 9 on the number line(C) The number that is 9 to the left of 7 on the number line(D) The number that is 9 to the right of 7 on the number line
Identify Operation: Identify the operation involved in the expression 9+(−7). The expression involves addition of a positive number (9) and a negative number (−7).
Effect of Adding Negative: Understand the effect of adding a negative number. Adding a negative number is equivalent to subtracting its absolute value. Therefore, 9+(−7) is the same as 9−7.
Perform Subtraction: Perform the subtraction to find the result of the expression. 9−7 equals 2.
Interpret on Number Line: Interpret the result on the number line.The number 2 is 7 units to the left of 9 on the number line because we subtracted 7 from 9.
Match with Choices: Match the result with the given choices.The correct interpretation of the expression 9+(−7) is "The number that is 7 to the left of 9 on the number line," which corresponds to choice (A).
More problems from Properties of operations on rational and irrational numbers