Answer: 72°
Step-by-step explanation:
focus=(0,4)
Direcrtrix,y=-4
p=4
vertex=(0,0)
Open upward
(x-h)²=4p(y-k)
(x-0)²=4(4)(y-0)
(x-0)²=16(y-0)
Answer:
(x - 1)(x - 1)
x² - 2x + 1
x² - x - x + 1
x(x - 1) - (x - 1)
(x - 1)²
