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Nikolay [14]
3 years ago
13

Helppp mehh plzz..............

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
5 0

Answer:

i think it A

Step-by-step explanation:

bulgar [2K]3 years ago
5 0
The answer is A ...it probably the best logical ideas to solve it
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The graph of a quadratic function has a vertex located at (7,-3) and passes through points (5,5) and (9,5). Which equation best
Serga [27]

Answer:

B) f(x)=2(x-7)^2-3.

Step-by-step explanation:

The vertex form of the equation is given by f(x)=a(x-h)^2+k.

We plug in the vertex to obtain:

f(x)=a(x-7)^2-3.

Since the graph passes through (5,5) and (9,5), they must satisfy its equation.

5=a(9-7)^2-3.

5+3=4a.

8=4a

Divide both sides by 4.

a=2

Therefore the equation is:

f(x)=2(x-7)^2-3.

4 0
3 years ago
20 POINTS IF YOU HELP ME
Naily [24]
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6 0
2 years ago
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Please help: linear algebra problem. (Linear combinations)
DochEvi [55]

Answer:

\left[\begin{array}{ccc}5&7\\5&-8\\3&-9\end{array}\right] \left[\begin{array}{ccc}c\\d\end{array}\right] =\left[\begin{array}{ccc}-16\\3\\-15\end{array}\right]

This tells us that:

A=\left[\begin{array}{ccc}5&7\\5&-8\\3&-9\end{array}\right]

b=\left[\begin{array}{ccc}-16\\3\\-15\end{array}\right]

Step-by-step explanation:

So we are saying we have scalars, c and d, such that:

c\left[\begin{array}{ccc}5\\5\\ 3\end{array}\right]+d\left[\begin{array}{ccc}7\\-8\\-9\end{array}\right]=\left[\begin{array}{ccc}-16\\3\\-15\end{array}\right].

So we want to find a way to express this as:

Ax=b where x is the scalar vector, \left[\begin{array}{ccc}c\\d\end{array}\right].

So we can write this as:

\left[\begin{array}{ccc}5&7\\5&-8\\3&-9\end{array}\right] \left[\begin{array}{ccc}c\\d\end{array}\right] =\left[\begin{array}{ccc}-16\\3\\-15\end{array}\right]

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3 years ago
Write a word phrase that can be represented by b-6
Bess [88]
Six less than "b"
i think this would be the answer
good luck!!
7 0
3 years ago
Can anybody help? I do not understand:(
Dvinal [7]
Six now have a good day happy face bye-bye
7 0
3 years ago
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