SAT ? of the Day

Read the following SAT test question, then click on a button to select your answer.

If a, b, and c are numbers such that and , then is equal to which of the following?

1. 


2. 


3. 


4. 


5. 21

Answer is 1.

Here's Why:

From is implied that (1)

And from is implied that (2)

If we multiply (1) and (2) together, we have that ( b is canceled out).

• Question Type: Standard Multiple Choice
  
  (Mathematics)