You have to answer 2 essay questions for an exam. there are 6 essays to choose from. how many different groups of 2 essays could you possibly choose?

You could possibly choose 15 different groups of 2 essays.

Step-by-step explanation:

The order in which the questions are chosen is not important. So the combinations formula is used to solve this question.

Combinations formula:

is the number of different combinations of x objects from a set of n elements, given by the following formula.

In this problem, we have that:

2 essays from a set of 6. So

You could possibly choose 15 different groups of 2 essays.

step-by-step explanation:

1. practice, practice & more practice

2. review errors

3. master the key concepts

do not try to memorise the processes.

4. understand your doubts.

5. create a distraction free study environment

6. create a mathematical dictionary

7. apply maths to real world problems.