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erica [24]
2 years ago
6

How many solutions does this linear system of equations have? x – 3y = 5 -3x + 9y = -7

Mathematics
1 answer:
Angelina_Jolie [31]2 years ago
6 0

9514 1404 393

Answer:

  zero

Step-by-step explanation:

Dividing the second equation by -3, it becomes ...

  x -3y = 7/3

Compared to the first equation, ...

  x -3y = 5

we see that it is <em>inconsistent</em>. No values of the variables can satisfy both equations. There are no solutions.

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A line is parallel to y = 2x – 8 and
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Answer:

y=2x+7

Step-by-step explanation:

When an equation is parallel to another, it shares the same slope.

Our original line is y=2x-8, and it is in slope-intercept form (y=mx+b)

This means that our slope is 2 because m represents the slope.

The slope of our parallel line will then also be 2.

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<u>Plugging in the slope, we'll have:</u>

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We can plug this into our equation as well.

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y+1=2(x+4)

Distribute

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Step-by-step explanation:

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