Answer:
Factoring
Step-by-step explanation:
(x+4)² = 15
x² + 8x + 16 = 15
x² + 8x + 1 = 0

I hope this helps you :)
the solid line passes through (0,-3) and (0,9)
dotted line passes through (0,-3) and (0,-1)
see attached sketch
D. 1/5
Reason: it’s always the first number in the equation
So you have to put 25 inside the blank box.
look at the attached picture
Hope it will help you
Good luck on your assignment