f(x) should be in canonical form. So it must have the form
Where a is the main coefficient and is the vertex
Step-by-step explanation:
A quadratic function has a unique extreme value in its vertex. That value might be a maximum or a minimum depending on the sign of the main coefficient of the quadratic function. In order to quickly obtain the vertex, the quadratic must be written in canonical form. That means that f(x) must have the form
Where a is the main coefficient (which should be negative so that a minimum exists in the first place) and is the vertex. If f(x) is written in that form, then it will be easier to find the minimum of f(x), which is the vertex
Hence for the quadratic function below
Hence there is only one x- intercept and answer is (2, -9)
Answer:
B is symmetric; A is not.
Step-by-step explanation:
Since you did part A, you know that the ends of each box are roughly symmetrically located with respect to the extremes of data in each case. However, the median of the data for School A is decidedly near the right end of the box; whereas the median for School B is in the center of the box.
This last fact gives the box plot for School B a symmetric appearance that is not shared by the plot for School A.
Answer:
Step-by-step explanation:
The area of a triangle is equal to half the product of its length (L) because of its height (h).
The base of the triangles is
The height of the triangles is
Then the area of one of the triangles is:
The figure is formed by 12 equal triangles, then the area of the figure is:
