Answer:
Factor analysis
Step-by-step explanation:
Factor Analysis is a method for modeling observed variables, and their covariance structure, in terms of a smaller number of underlying unobservable “factors.” These factors are typically viewed as broad concepts or ideas that may describe a noted occurrence.
Take for example:
A basic impulse of acquiring a certain social level might explain most consumption behavior. These unobserved factors are more interesting to the social scientist than the noted numerical measurements.
May 7, May 13, May 20.
This is because the pattern is (Black is not wearing):
Jeans: ⚫️⚫️⚫️
Shoes: ⚫️⚫️⚫️⚫️
Answer:
is the correct answer.
Step-by-step explanation:
We know that vertex equation of a parabola is given as:
![y = a(x-h)^2+k](https://tex.z-dn.net/?f=y%20%3D%20a%28x-h%29%5E2%2Bk)
where
is the vertex of the parabola and
are the coordinate of points on parabola.
As per the question statement:
The parabola opens upwards that means coefficient of
is positive.
Let ![a = +1](https://tex.z-dn.net/?f=a%20%3D%20%2B1)
Minimum of parabola is at x = 3.
The vertex is at the minimum point of a parabola that opens upwards.
![h = 3](https://tex.z-dn.net/?f=h%20%3D%203)
Putting value of a and h in the equation:
![y = 1(x-3)^2+k\\\Rightarrow y = (x-3)^2+k\\\Rightarrow y = x^2-6x+9+k](https://tex.z-dn.net/?f=y%20%3D%201%28x-3%29%5E2%2Bk%5C%5C%5CRightarrow%20y%20%3D%20%28x-3%29%5E2%2Bk%5C%5C%5CRightarrow%20y%20%3D%20x%5E2-6x%2B9%2Bk)
Formula used: ![(a-b)^2=a^{2} +b^{2} -2\times a \times b](https://tex.z-dn.net/?f=%28a-b%29%5E2%3Da%5E%7B2%7D%20%2Bb%5E%7B2%7D%20-2%5Ctimes%20a%20%5Ctimes%20b)
Comparing the equation formulated above with the options given we can observe that the equation formulated above is most similar to option A.
Comparing
and
13 = 9+k
k = 4
Please refer to the graph attached.
Hence, correct option is ![A.\ y = x^2 - 6x + 13](https://tex.z-dn.net/?f=A.%5C%20y%20%3D%20x%5E2%20-%206x%20%2B%2013)
Answer:
Slope is 40
Full equation: y=40x-586
Step-by-step explanation:
Slope is y2-y1/x2-x1
14 is x1
-26 is y1
15 is x2
14 is y2
14-(-26)/15-14
40
So the slope is 40
To find the equation
y=40x+b
14=15(40)+b
14=600+b
b=-586
Equation:
y=40x-586