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11 votes
Z varies directly with q. when z=2,q=1 .

find a formula connecting z and q

z=???

User Christok
by
8.2k points

2 Answers

5 votes

Answer:


z = (q)/(2)

Explanation:


z \infty q


z = kq


z = 2 \: and \: q = 1


2 = k1


k = (2)/(1)


z = (1)/(2) q


z = (q)/(2)

User Akshaya Aradhya
by
7.7k points
12 votes

9514 1404 393

Answer:

z = 2q

Explanation:

The formula for direct variation is ...

z = kq . . . . . k is the constant of proportionality

We can find k using the given values of z and q:

k = z/q = 2/1 = 2

Then the equation connecting z and q is ...

z = 2q

User Inerte
by
9.4k points

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