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3 years ago

What is the solution to the system of equations shown in the graph below?

Mathematics

2 answers:

pav-90 [236]3 years ago

8 0

Answer:

C.(1,-6)

Step-by-step explanation:

We are given that a graph in which system of equations of line shown .

We have to find the solution to the system of equations shown in the graph.

To find the solution of the system of equations in given graph we will find the intersecting point of system of equation from given graph.

From given graph we can see that

One equation of line is passing through the points (4,0) and (0,-8).

Second equation of line is passing through the points (-2,0) and (0,-4).

The two equations of line intersect at point (1,-6).

The solution of system of equations is the intersecting point of two equations of line.

Therefore, the solution to the system of equations shown in graph is (1,-6).

Option C is true.

pashok25 [27]3 years ago

4 0

The solution to the graph is C, just find where the two lines are intersecting, and that’s the solution.

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Answer:

C. T is not one-to-one because the standard matrix A has a free variable.

Step-by-step explanation:

Given

$T(x_1,x_2,x_3) = (x_1-5x_2+4x_3,x_2 - 6x_3)$

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$T(x_1,x_2,x_3) = \left[\begin{array}{ccc}1&-5&4\\0&1&-6\\0&0&0\end{array}\right] \left[\begin{array}{c}x_1&x_2&x_3\end{array}\right]$

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3 years ago

What equation results from completing the squre and then factoring x^2+10=15

nlexa [21]

For this case we must complete squares:

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We add the square of half the coefficient of the term "x",

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$x^2+10x+(\frac {10} {2 (1)}) ^ 2 = 25 + 15\\x ^ 2 + 10x + 5 ^ 2 = 25 + 15$

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Rewriting the expression we have:

$a = x\\b = 5\\(x + 5) ^ 2 = 25 + 15\\(x + 5) ^ 2 = 40$

ANswer:

$(x + 5) ^ 2 = 40$

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