The required steps are explained below to convert the quadratic function into a perfect square.
<h3>What is the parabola?</h3>
It's the locus of a moving point that keeps the same distance between a stationary point and a specified line. The focus is a non-movable point, while the directrix is a non-movable line.
Let the quadratic function be y = ax² + bx + c.
The first step is to take common the coefficient of x². We have
![\rm y = a \left (x^2 + \dfrac{b}{a}x \right) + c](https://tex.z-dn.net/?f=%5Crm%20y%20%3D%20a%20%5Cleft%20%28x%5E2%20%2B%20%5Cdfrac%7Bb%7D%7Ba%7Dx%20%5Cright%29%20%2B%20c)
Add and subtract the half of the square the coefficient of x,
![\rm y = a \left (x^2 + \dfrac{b}{a}x + \dfrac{b^2}{4a^2} \right) - a \times \dfrac{b^2}{4a^2} + c](https://tex.z-dn.net/?f=%5Crm%20y%20%3D%20a%20%5Cleft%20%28x%5E2%20%2B%20%5Cdfrac%7Bb%7D%7Ba%7Dx%20%2B%20%5Cdfrac%7Bb%5E2%7D%7B4a%5E2%7D%20%5Cright%29%20-%20a%20%5Ctimes%20%5Cdfrac%7Bb%5E2%7D%7B4a%5E2%7D%20%2B%20c)
Then we have
![\rm y = a \left (x + \dfrac{b}{a} \right)^2 - \dfrac{b^2}{4a} + c](https://tex.z-dn.net/?f=%5Crm%20y%20%3D%20a%20%5Cleft%20%28x%20%2B%20%5Cdfrac%7Bb%7D%7Ba%7D%20%5Cright%29%5E2%20-%20%5Cdfrac%7Bb%5E2%7D%7B4a%7D%20%2B%20c)
These are the required step to get the perfect square of the quadratic function.
More about the parabola link is given below.
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Answer:
There are none.
Step-by-step explanation:
<u>No calculus involved:</u>
The line, in slope-intercept form, has equation
, ie is always decreasing (easy to spot applying the definition)
Meanwhile,
is always increasing over its domain.
At no point the tangent will be decreasing.
<u>Let's use calculus</u>
We are to solve the equation
which has no real solutions.
Answer:
The equation is p = (8/3) t + 24
In 2020, we will have about 48 horses.
Step-by-step explanation:
In 3 years the family increased by 32 - 24 = 8.
So the constant of proportionality = 8/3.
The required equation is p = (8/3)tx + 24
where p = the population and t is the number of years after 2011.
So in 2020 we can predict that in 2020 the number of horses
= (8/3) * 9 + 24
= 72/3 + 24
= 24 + 24
= 48.
The large rectangle is 3 times 6 but theres two so its 2 x 3 x 6
the medium rectangle is 2 times 6 but again there is two so 2 x 2 x 6
the small rectangle is 2 times 3 and once more there is two so 2 x 2 x 3