Question

. If z is directly proportional to the product of x and y and if
z is 10 when x is 4 and y is 5, then x, y, and z are related by
the equation z 5 .

5-6 - In each equation, is y directly proportional, inversely
proportional, or not proportional to x?
5. (а) у — Зх
(b) y = 3x + 1
3
6. (a) y =
3
(b) y =
x + 1
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Transcribed Image Text

5-6 - In each equation, is y directly proportional, inversely proportional, or not proportional to x? 5. (а) у — Зх (b) y = 3x + 1 3 6. (a) y = 3 (b) y = x + 1