Answer: 1. What are the focus and directrix of a parabola? Parabolas are commonly known as the graphs of quadratic functions. They can also be viewed as the set of all points whose distance from a certain point (the focus) is equal to their distance from a certain line (the directrix).
2.The center-radius form is: (x−h)2+(y−k)2=r2 Here, the center point is denoted by (h,k) and r is the radius of the circle.
Step-by-step explanation:
Answer:
Mean: How to Find the Mean. The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Step-by-step explanation:
Therefore the mean is: 4
how?
2+4+4+6= 16
then we would find how many values are there, which is 4
so 16 divided by 4 is 4
Hope this helps!
Answer:
The equation is equashon
Step-by-step explanation:
:D
One of axoims state that there are at least 2 points that lie in the same line.
