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21-02-2019
Mathematics

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If y is 7 when x is -4 what is y when x is 5

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21-02-2019

Answer:

1) y = kx

7 = k(-4)

7/-4 = k(-4)/ -4

7/-4

2) y = 7/ -4

y = 7/-4 x 5/1

y= 35/-4

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