Question

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 200 centimeters tall.

Answer 1

@hartnn

Answer 2

begin when the tree is 200 centimeters tall. ---> first term = a = 200
ok ?

Answer 3

ok

Answer 4

grows an average of 0.5 cm per week ---> common diff. = 0.5
ok?

Answer 5

ok got that part.

Answer 6

and u have the general formula from last question, again just put values...

Answer 7

ehhhh...can you help im still iffy about that formula

Answer 8

can u write that formula for me ?

Answer 9

a1+(n-1)d

Answer 10

a1 or a = ? and d= ?