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96mertcank96

  • 2 years ago

HELP MATH FINAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Which is not true about x=27 a) it intersects the axis at 2 b) its slope is undefined c) it is horizontal d) it is vertical Simplify using the distributive property -2(3x-4) if y varies directly as x and y and y=36 when x=18, find the constant of variation and write the variation equation for this find the slope of a line through the points (1,-8) and (-3,2) which is the independent variable in this situation? the cost of a long distance telephone call increases with the number of minutes of the call

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  1. JA1
    • 2 years ago
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    hmm.... seems to me that it would be b but let me double check

  2. JA1
    • 2 years ago
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    "Which is not true" so how can there only be 1 right?

  3. JA1
    • 2 years ago
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    true*

  4. nistal
    • 2 years ago
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    x=27 means a vertical line at x=27 for every y

  5. JA1
    • 2 years ago
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    yes it does

  6. nistal
    • 2 years ago
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    so it does not intesept at x=2 its slope is not undefined and it not horizontal

  7. JA1
    • 2 years ago
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    yes but the question asks for 1 wrong answer so.....

  8. JA1
    • 2 years ago
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    unless im missing something here :/

  9. Butterfly16
    • 2 years ago
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    -2(3x-4) When using the distributive property, we're just going to distribute the -2 to 3x and -4. So, -2*3x and -2*-4 gives us: -6x+8

  10. JA1
    • 2 years ago
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    wait what :/ @Butterfly16

  11. Mertsj
    • 2 years ago
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    x=27 is a vertical line whose slope is undefined. So that means that choice A is untrue and choice c is also untrue. Must be a typo somewhere.

  12. 96mertcank96
    • 2 years ago
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    no typo got it right off the test

  13. JA1
    • 2 years ago
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    yes its probably a typo because there is only one wrong answer, i mean untrue

  14. JA1
    • 2 years ago
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    im confused :/

  15. nistal
    • 2 years ago
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    the slope is infinite rise

  16. nistal
    • 2 years ago
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    undefined would be if it not continous

  17. JA1
    • 2 years ago
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    ok so it is defined

  18. JA1
    • 2 years ago
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    right?

  19. Mertsj
    • 2 years ago
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    Then put c as the wrong answer since it is vertical and not horizontal. But it does not cross the axis at 2 either. Could it possibly be that the equation is x = 2?

  20. JA1
    • 2 years ago
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    i would go with c too, since its the most obvious one

  21. abb0t
    • 2 years ago
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    Interesting.

  22. rathish.rulz
    • 2 years ago
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    ya interesting ...

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