## Algebra 1: Common Core (15th Edition)

Sample answer: a. $y^{2}+12y+36$ b. Because 1. the first term, $y^{2}$ is a square 2. so is the last term, $6^{2}$, and 3. the middle term is $2(y)(6)$.
a. $y^{2}+12y+36$ b. Because 1. the first term, $y^{2}$ is a square 2. so is the last term, $6^{2}$, and 3. the middle term is $2(y)(6)$.