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monroe17

  • 2 years ago

Determine the value of k for which the system has no solutions. x+y+3z=3 x+2y-2z=-1 6x+13y+kz=-9

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  1. JayDS
    • 2 years ago
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    do you know how to solve simultaneous equations?

  2. JayDS
    • 2 years ago
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    It's using the same concept but with three equations.

  3. monroe17
    • 2 years ago
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    do i just solve for x, y, z?

  4. JayDS
    • 2 years ago
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    yes u are right, but first focus on the first two equations.

  5. monroe17
    • 2 years ago
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    multiply the first eq. by -2 tgo cancel the y

  6. JayDS
    • 2 years ago
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    yes and then rearrange in terms of x or z, it's your choice.

  7. monroe17
    • 2 years ago
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    huh?

  8. JayDS
    • 2 years ago
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    I sent u a link in msg, go check it out.

  9. JayDS
    • 2 years ago
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    It should be really easy to follow.

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spraguer (Moderator)
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