Question

Over two summers, Ray saved $900 and $500. The polynomial 900x^2 + 500x represents his savings at the beginning of the third year, where x is the growth factor. (The interest rate r is x - 1.) What is the interest rate he needs to start the third year with $1600 in savings?
A. 1.1%
B. 0.1%
C. 8.4%
D. 264%

Answer 1

IS THE ANSWER A?

Answer 2

how u solve it to select A?!

Answer 3

i JUST GUESS

Answer 4

let...i am trying;)

Answer 5

BUT COULD THAT POSSIBLY BE THE ANSWER