20% was, so 100%-20%=80% was not
80%=0.8
0.8*4000=3200 acres was not
Rules for dividing by 0
Rule 1.
0 divided by any number is 0.
Rule 2.
You cannot divide by 0.
Rules for dividing by 1.
Rule 1.
any number (except 0) when divided by itself equals 1.
Rule 2.
any number divided by 1 equals that number.
Answer:
y = (x+3)^2 -1
Step-by-step explanation:
The vertex form of the equation is
y = a(x-h)^2 +k where (h,k) is the vertex
The vertex is (-3,-1)
y = a(x- -3)^2 -1
y = a(x+3)^2 -1
Pick another point (-2,0) and substitute it into the equation
0 = a(-2+3)^2 -1 to find a
0 =a(1)^2 -1
0 = a-1
1 = a
y = (x+3)^2 -1
Answer:
8
5
-1
-4
Step-by-step explanation:
