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anonymous

  • 4 years ago

Can someone check my answer?

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  1. anonymous
    • 4 years ago
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    Find k that the system has no solution

  2. anonymous
    • 4 years ago
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    |dw:1328659899398:dw|

  3. anonymous
    • 4 years ago
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    when k=15/2 then the system is inconsistent is that true?

  4. precal
    • 4 years ago
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    did you solve it by hand?

  5. precal
    • 4 years ago
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    2x+5y=1 3x+ky=4

  6. precal
    • 4 years ago
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    Actually when I solve it for k=-5/13 I made it have one solution. You are looking for no solution so you need parallel lines.

  7. precal
    • 4 years ago
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    yes, your solution works because it then has the same slope of -2/5 for both equations.

  8. anonymous
    • 4 years ago
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    ok thanks yes i used my handy dandy brain lol

  9. precal
    • 4 years ago
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    just wanted to return the favor :)

  10. anonymous
    • 4 years ago
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    lol haha that was no favour. I love derivatives

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spraguer (Moderator)
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