SAT Math Multiple Choice Question 671: Answer and Explanation
11. Which of the following statements expresses the fact that the product of two numbers, a and b, is 6 greater than their sum?
- A. ab + 6 > a + b
- B. ab = a + b + 6
- C. ab + 6 = a + b
- D. ab > a + b + 6
Correct Answer: B
Algebra (translating quantitative information) MEDIUM
This question tests your ability to translate words into algebraic expressions. Systematically translate the sentence phrase by phrase.
The product of two numbers, a and b is 6 greater than their sum.
ab = 6 + a + b
Use commutative law of equality on right side:
ab = a + b + 6