Asked by Edward
Y is partly constant and partly varies as x...if y=2 x=4 and when y=5 x=8....find y when x=9
Answers
Answered by
Steve
y = kx+c
so, now you know that
2 = 4k+c
5 = 8x+c
Find k and c, and then you can find y when x=9
so, now you know that
2 = 4k+c
5 = 8x+c
Find k and c, and then you can find y when x=9
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