If a root is a+√b then another is a-√b because of quadatic formula
r2=1-√5
Answer:

Step-by-step explanation:
This is horizontal parabola.
It has a directrix at x=-6.
The vertex is (0,0).
The focus is (6,0)
The equation of this parabola is of the form

Where (p,0) is the focus
By comparison, p=6
Therefore the equation of the parabola is

This implies that

Ok i will give you a hint ok look subtract 18-30 then you will get yhe answef for 8× ok try it
Answer:
n = 1500
Step-by-step explanation:
The sample size is the number of students that were asked
n = 1500
The slope of the line is -2/6