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Answer:
Part A) the direct variation equation that relates x and y is:
Part B) value of y = 75
Step-by-step explanation:
Part A)
We are given that y varies directly with x, and y=10 when x=-2 what direct variation equation relates x and y?
If x and y are directly related then:
y ∝ x or y=kx
where k is constant of proportionality.
Now, finding k:
y=10 and x=-2
So, value of k = -5
So, the direct variation equation that relates x and y is:
Part B)
What is the value of y when x = -15
the equation is:
Putting x = -15
So, value of y = 75
Keywords: Direct Variation
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