Find an equation of variation where y varies directly as x and y = 2 when x = 10, find y when x = -25.
1 answer:
Answer:
y = ⅕x; -5
Step-by-step explanation:
y = kx
k = y/x Divided both sides by x
k = 2/10
k = ⅕
y = ⅕x
The equation of variation is y = ⅕x.
If x = -25,
y = ⅕(-25) = -5
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