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olga55 [171]
3 years ago
6

(6.04)The equation of the line of best fit of a scatter plot is y = 6x − 9. What is the slope of the equation?

Mathematics
1 answer:
Ghella [55]3 years ago
5 0
Y=mx+b
m=slope

given
y=6x-9
m=6

the slope is 6
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Answer is D.

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BabaBlast [244]

Answer:

Step-by-step explanation:

The system of equations given are:

 

 5x - y + z = -6   ------------- i

 2x + 7y + 3z = 8  ---------- ii

  x + 2z = 6 ----------------- iii

Let us deal with equation i and ii first since they have 3 variables x, y and z;

      5x - y + z = -6                 x 7

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      2x  + 7y + 3z  = 8       ---- v

Add equation iv and v;

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So, let us solve equation vi and iii:

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               37x + 10z  = -34  --- iv  x 2

    10x + 20z   = 60         vi

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Subtract vi  - vii;

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So;    put x  = -2 into iii;

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           z  = 4

Put x  = -2 and z = 4 into equation i;

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3 years ago
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Answer:

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if you're trying to solve for x, then look below

7x=7

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