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3. If p varies directly as q and p = 18 when q =-6, then k is k a.-3 b. b. C. d. 3 3​

Sagot :

Answer:

k=-3

Step-by-step explanation:

Based on the given conditions, formulate: p=kq

Substitute: 18=-6k

Swap the sides:-6k=18

Divide both sides of the equation by the coefficient of variable: k=-18/6

Cross out the common factor: k=-3

Answer: k=-3