Evaluate the formula for the given values of the variables.
-When all $n$ teams in a league play every other team twice, a total of $N$ games are played, where $\mathrm{N}=\mathrm{n}^{2}-\mathrm{n}$. A basketball league has 7 teams and all teams play each other twice. How many games are played?
A) 7 games
B) 42 games
C) 56 games
D) 21 games

Question

Quizplus · Accepted Answer

The formula given is $N = n^2 - n$. Substituting $n = 7$, we get $N = 7^2 - 7 = 49 - 7 = 42$ games.

Evaluate the Formula for the Given Values of the Variables nnn

Evaluate the Formula for the Given Values of the Variables $n$