Answer:
When A is positive there is a minimum vertex.
Step-by-step explanation:
When a parabola is positive the opening goes upwards. When a parabola is negative it goes downwards. The negative sign on the A coefficient means that you reflect your equation across the x-axis
Answer:

Step-by-step explanation:

Distribute the brackets.


Add
on both sides.



Divide
on both sides.


D--because it has y^2 in the equation and to isolate y you have to take the square root, the graph is going to be curved rather than linear.
I need more information to be able to answer
Answer:
1+6y= "7y=7"
1+5y= "6y=4"
Step-by-step explanation:
X represents "1" so you replace your "X" with "1" and solve the equation.