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lillybeth123

  • 3 years ago

Which table represents a direct variation function? View attachment.

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  1. lillybeth123
    • 3 years ago
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  2. lillybeth123
    • 3 years ago
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    @alrightatmaths plz help!

  3. alrightatmaths
    • 3 years ago
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    Sorry, I have no idea what a variation function is. Are you from the US?

  4. lillybeth123
    • 3 years ago
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    yup. u?

  5. alrightatmaths
    • 3 years ago
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    Right, no I'm from England. We use different terminology is all. We call direct variation direct proportion. Or at least, I've never heard direct variation anyway. Direct variation is basically when all the x values are multiplied by the same number to get the y value. On table 4 you multiply the first value by 3, the second by 4 and the third by 5 so that isn't direct variation. On the third table, you add 3 each time so you can't be multiplying by the same value. On the second table you multiply the first x value by three and not the second or the third so that isn't either. However on the first table you multiply 6 by 1.3333 to get 8 and you multiply 9 by 1.3333 to get 12 and 12 by 1.33333 to get 16. So the first table is Direct Variation as you are multiplying each x value by 1 and a third.

  6. lillybeth123
    • 3 years ago
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    huh? sorry, i cant understand u now that i imagine u with a brittish accent. :) So A, B, C, or D?

  7. lillybeth123
    • 3 years ago
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    ur imaginary accent is distracting.

  8. alrightatmaths
    • 3 years ago
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    A, the first one :P cause each of the x values is multiplied by the same value.

  9. lillybeth123
    • 3 years ago
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    oh i see. thanks!! :P

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