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Dubstep97

  • 3 years ago

Select the system of equations that corresponds to the given graph. 4x + y = 6 6x + 3y = 6 −3x + y = 2 4x + 2y = 4 2x + y = 4 6x + 3y = 12 4x + 2y = 6 6x + 3y = 12 I can't get a picture but the graph is crossing at (1.5, 3) and (2, 4) Thanks :D

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  1. Romero
    • 3 years ago
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    how can it cross two points?

  2. Romero
    • 3 years ago
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    If it cross more than one point then I assume that there an infinite number of solutions. are the two lines on top of each other?

  3. Dubstep97
    • 3 years ago
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    It is parallel

  4. Dubstep97
    • 3 years ago
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    I got a screenshot

  5. Dubstep97
    • 3 years ago
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    Any ideas?

  6. Romero
    • 3 years ago
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    they never cross

  7. Dubstep97
    • 3 years ago
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    My bad sorry.

  8. Romero
    • 3 years ago
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    What you can do is find the slope of each of the two lines given in each solution and compare. We know that two parallel lines have the same slope so find the ones that have the same slope

  9. Romero
    • 3 years ago
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    If you have no idea how to find the slope set them into y-intercept form \[y=mx+b\]

  10. Romero
    • 3 years ago
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    where m is the slope.

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