The state volleyball association invited 64 teams to compete in a tournament. after each round , half The teams were eliminated. which equation represents the number of teams, t, that remained in the tournament after r rounds A. t= 64(0.5)^r
B. t=64(r)^0.5
C. t=64(1.5$^r
D. t=64(-0.5)^r

A

Step-by-step explanation:

You take the 64 teams, split it in half, and then the exponent is r

or

step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!