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Algebra 1B

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Please help I am so confused...


supposed that y is directly proportional to x.

a) use the given info to find constant of proportionally k.

b) then use y=kx to find y for x=6

y= -62 when x=5

Please help.. thank you

this is all I have so far. not sure if I am correct.


-62= k*(5)
but then how do I solve for k?

  • Algebra 1B -

    -62= k*(5)
    divide both sides of your equation by 5
    -62/5 = k
    k = -12.4

    now if x = 6
    y = -12.4 * 6
    y = -74.4

  • Algebra 1B -

    Thank you so much! Now I undersand .. :)

  • Algebra 1B -


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