# Tales from the Regrade Log

An assortment of answers that students have submitted to this problem.

-16,-8,8,16

0

a+b

15

16384

-64 -9,9

3,5

(x+3)(x+5)

8

8x

x^2+8x+15

10

30

225

15376

16144

64

3,5,-3,-5,1,15,-1,-15

10,8

-7168

\(k>9\)

i dunno

sqrt15, -sqrt15

Qwertyuiopasdfghjklzxcvbnm

205520896

I do worry about the problems when the students have trouble agreeing on what category the answer should belong to.