Answer:
We show 1 to distinguish a vertex, but with laws of supplementary the answer is 2.
Step-by-step explanation:
Plug each x-value into the equation to get the y-value:

(2,-1)

(0,-2)
Answer:
4.6
Step-by-step explanation:
28.888 / 3.14 = 9.2
9.2 / 2 = 4.6
Answer:4/3
Step-by-step explanation:
2/6=x/4 cross multiply
6x=8 x=8/6 =4/3 Divide and simplify