Answer:
--- Vertex
--- Axis of symmetry
Step-by-step explanation:
Given

Solving (a): The vertex
For an equation written in

The vertex is:

By comparison:
and 

So, the vertex is:

Solving (b): The axis of symmetry
For an equation written in

The axis of symmetry is:
x = h
In (a):

So:

Answer:
The answer is A.
Go to desmos and type your equation in
Answer:
1/3
Step-by-step explanation:
The mad scientist needs one-third or 1/3 of the eyeball.
That is 1/3 of the eyeball.
Since the square has 4 sides, you only have to add

four times.
The <span>perimeter of the square is: </span><span>

cm </span>
Answer:
15. -2 16. 0 17. undefined
Step-by-step explanation:
Slope of two points can be calculated by (y change) / (x change).
(y1 - y2) / (x1 - x2)
15) (1-5) / (4-2) = -2
16) (6-6) / (1-10) = 0 since y change is 0.
17) (-5-3) / (4-4) = undefined since x change is 0 but you cannot devide by 0.