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almighty196
16.06.2020 •
Mathematics
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Ответ:
y = -1/2x +1/2
Step-by-step explanation:
Slope intercept form is
y = mx+b where m is the slope and b is the y intercept
2x+4y -2 =0
Subtract 4y from each side
2x+4y -2 -4y = 0-4y
2x-2 = -4y
Divide by -4
2x/-4 -2/-4 = -4y/-4
-1/2x +1/2 = y
y = -1/2x +1/2
Ответ:
Neither, why... for it to be direct or inverse variation, the model has to fit either y=k/x or y=kx, it may not have a y-intercept at all if it is inverse variation and it must have a y-intercept of 0 for it to be direct variation.
Step-by-step explanation:
The statement y=2 is quite specific. Because k is positive, y increases as x increases. So as x increases by 1, y increases by 1.5. Inverse Variation: Because k is positive, y decreases as x increases. yx is a constant number -8. The constant of variation, k , is 23 . Inverse Variation
An inverse variation can be represented by the equation xy=k or y=kx .
That is, y varies inversely as x if there is some nonzero constant k such that, xy=k or y=kx where x≠0,y≠0 .
Suppose y varies inversely as x such that xy=3 or y=3x . That graph of this equation shown.