bettybales1986
12.01.2021 •
Mathematics
Which equation represents a proportional relationship?
O y = 3x + 7
o y=1/4x
O 1/4x+y=10
o y=1/3x+1
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Ответ:
Given:
Four equations in the options.
To find:
The equation which represents a proportional relationship.
Solution:
If y is proportional to x, then
where, k is the constant of proportionality.
In this case if x=0, then y=0. It means the graph of a proportional relationship passes through the origin.
From the given options, only option B, i.e., , is of the , where, .
So, the equation represents a proportional relationship.
Therefore, the correct option is B.
Ответ:
=743.5+−462.87
=280.63
98.01+52.003
=150.013
74.9−16.227
=74.9+−16.227
=58.673