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lutik1710 [3]
3 years ago
13

What is the vertex of the quadratic function f(x) = (x - 6)(x + 2)?

Mathematics
2 answers:
earnstyle [38]3 years ago
8 0
The vertex is (2,-6)
IRINA_888 [86]3 years ago
5 0

Answer:

(2,-16)

step 1 = f(x) = (x-6)(x+2)

step 2 = (x-2)^2-16

step 3 = y = (x-2)^2-16

step 4 = a=1, h=2, k = -16

step 5 = (2,-16)

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Step-by-step explanation:

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What decimal number is equal to 3/18
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Suppose you choose a team of two people from a group of n > 1 people, and your opponent does the same (your choices are allow
jonny [76]

Answer:

The number of possible choices of my team and the opponents team is

 \left\begin{array}{ccc}n-1\\E\\n=1\end{array}\right     i^{3}

Step-by-step explanation:

selecting the first team from n people we have \left(\begin{array}{ccc}n\\1\\\end{array}\right)  = n possibility and choosing second team from the rest of n-1 people we have \left(\begin{array}{ccc}n-1\\1\\\end{array}\right) = n-1

As { A, B} = {B , A}

Therefore, the total possibility is \frac{n(n-1)}{2}

Since our choices are allowed to overlap, the second team is \frac{n(n-1)}{2}

Possibility of choosing both teams will be

\frac{n(n-1)}{2}  *  \frac{n(n-1)}{2}  \\\\= [\frac{n(n-1)}{2}] ^{2}

We now have the formula

1³ + 2³ + ........... + n³ =[\frac{n(n+1)}{2}] ^{2}

1³ + 2³ + ............ + (n-1)³ = [x^{2} \frac{n(n-1)}{2}] ^{2}

=\left[\begin{array}{ccc}n-1\\E\\i=1\end{array}\right] =   [\frac{n(n-1)}{2}]^{3}

4 0
3 years ago
In the sequence 80, 64, 48, 32, ..., what number should come next?
otez555 [7]

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AnnZ [28]

Answer:

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You have to multiple -2 by 15 and -8 separately

8 - 2(15-8)

8 -30 + 16

24-30 = -6

4 0
3 years ago
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