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Answer:
y = -1/4x^2 -3/2x +3/4
Step-by-step explanation:
You know that vertex form is ...
y = (1/(4p))(x -h)^2 +k
for a focus-vertex distance of p and a vertex of (h, k).
Here, the focus-vertex distance is 2-3 = -1 (difference of y-coordinates), and the vertex is (h, k) = (-3, 3). This means the vertex form equation is ...
y = -1/4(x +3)^2 +3
Expanding the square gives ...
y = -1/4(x^2 +6x +9) +3
y = -1/4x^2 -3/2x +3/4
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<em>Additional comment</em>
The square of a binomial is ...
(x +a)^2 = x^2 +2ax +a^2
1. Tell you answer, 4+4+6x4=32
2. Answer, 10x2+20x3=80
3. Answer, 32x10x3+12x10=1080
Ok is done.
Answer:
Type I error is nothing but Reject the H0 when H0 is true.
Here H0: the absorption rates are the same
H1: the absorption rates are different
Now Type I err or is Deciding that the absorption rates are different, when in fact they are
We can factor a polynomial by finding its roots. In particular, a quadratic equation has (at most) two roots , which would allow us to write the polynomial as
To find the solutions, we can use the quadratic formula
So, the two solutions are
And so we can factor the polynomial as follows:
Fifty five because you need to use the correct order of operations.