Answer:
B
Step-by-step explanation:
Answer:
a=0
Step-by-step explanation:
x²-2x+y²-4y-4=0
(x²-2x+1)+(y²-4y+4)-9=0
(x-1)² + (y-2)² = 3²
Center: (1,2) radius: 3
(1,2) on line 2x-y+a=0
2*1 - 2 + a = 0
a = 0
Dependent variable is the variable that changes due to the independent variable, independent variable is the variable that scientists change on purpose.
Answer:
Bye
Step-by-step explanation:
So 1/1/1/1