Each year a local country club sponsors a gold tournament. The tournament starts with 128 participants and after each round, half of the players are eliminated.

Question

Write an exponential equation where y is the total number of players and x is the number of rounds. How many players are left after 2 rounds 5 round

Answer 1

y = 128(0.5)^x

y₂ = 128(0.5)²

y₅ = 128(0.5)⁵