Is #y=12x# a direct variation and if it is, how do you find the constant?
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Yes, the equation ( y = 12x ) represents a direct variation. To find the constant of variation (k), you can use the formula:
[ k = \frac{y}{x} ]
In this case, since ( y = 12x ), you can substitute any value of ( x ) and the corresponding value of ( y ) into the formula to find ( k ). For example, if ( x = 1 ), then ( y = 12(1) = 12 ). So, ( k = \frac{12}{1} = 12 ). Therefore, the constant of variation is 12.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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