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If f(x)=27 and x=9, What is the constant of variation of (k) for this function? Hint: Use f(x)=kx and solve for k. Give your answer as a number.
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If f(x)=27 and x=9, What is the constant of variation of (k) for this function?

Hint: Use f(x)=kx and solve for k.

Give your answer as a number.

User Stefan Neubert
by
5.9k points

1 Answer

3 votes
y = k * x

When x = 7 then y = - 58


- 58 = k * 7 Divide both sides with 7

- 58 / 7 = k


k = - 58 / 7


y = k * x


when x = 6


y = - 58 * 6 / 7


x = - 348 / 7
which would be -49.7
User Mrateb
by
5.9k points
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