Answer:
y = (x - 3)² - 4 Vertex form
(3, -4) Vertex
Step-by-step explanation:
f(x) = x² - 6x + 5
Complete the square
y = (x - 3)² + 5 - (-3)²
y = (x - 3)² + 5 - 9
y = (x - 3)² - 4 Vertex form
(3, -4) Vertex
They can be divided into
2 groups of 16
4 groups of 8
8 groups of 4
16 groups of 2
To have a different rectangle with the same perimeter you just have different measurements. If you need an example let me know!