Question

To represent the number of squares after steps, Diego and Jada wrote different equations. Diego wrote the equation f(n)= (n+1) 2 . Jada wrote the equation f(n) = n 2+ 2n + 1. Are either Diego or Jada correct? Explain your reasoning.

Answer 1

Jada is wrong

Explanation:

Because (n+1)2 would be 2n+2 but jada wrote 2n+2n+1