abigail5254 abigail5254

05-02-2020
Mathematics

contestada

4. Suppose y varies directly with x. Write a direct variation equation that relates x and y.
v=-10 when χ=2
Ov=-5x
Ov=-1
Π
Ov=5x
Ov=x

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jimrgrant1 jimrgrant1

05-02-2020

Answer:

y = - 5x

Step-by-step explanation:

Given that y varies directly with x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = - 10 when x = 2, thus

k = [tex]\frac{y}{x}[/tex] = [tex]\frac{-10}{2}[/tex] = - 5

y = - 5x ← equation of variation

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