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Archy [21]
3 years ago
11

How many solutions does the system have? This question is called "Number of solutions to a system of equations algebraic" Can pl

ease some help me??​

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
7 0

Answer:

No solution for this

Step-by-step explanation:

When you multiply the first equation by 3 you will get

3y = -9x +27

The second equation is 3y = -9x + 9

This means 3y = 3y

Therefore, -9x + 27 = -9x +9

So It's wrong, no solution

Hope this help you! :3

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Digiron [165]

Answer:

Rateofchange=\frac{f(x_2)-f(x_1)}{x_2-x_1}

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Step-by-step explanation:

Well, first to determine the average rate of change of a function, you should have the interval of the values of x for the function.

So lets assume you have a function;

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And the interval as [1,3]

Then the average rate of change for the function f(x) will be;

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where x₁ and x₂ are the interval coordinates x,y respectively. In this case x₁=1 and x₂=3

To find the average rate of change in this example will be;

=\frac{f(x_2)-f(x_1)}{x_2-x_1} \\\\=f(x_2)=f(3)=3^3-4(3)=27-12=15\\\\=f(x_1)=f(1)=1^3-4(1)=1-4=-3\\\\\\=x_2-x_1=3-1=2\\\\\\=\frac{15--3}{2} \\\\=\frac{18}{2} =9

8 0
3 years ago
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