Vertex form should be : y = (x+1)^2 - 2, where the vertex is (-1,-2)
Answer:

Step-by-step explanation:
The formula of a volume of a pyramid:

<em>B</em><em> - area of a base</em>
<em>H</em><em> - height</em>
We have


Substitute:

Answer:
If an object moves along a straight line, the distance traveled can be represented by a distance-time graph. In a distance-time graph, the gradient of the line is equal to the speed of the object. The greater the gradient (and the steeper the line) the faster the object is moving.
Step-by-step explanation:
When you add it is called sum and when you subtract it is called difference