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sergeinik [125]
3 years ago
9

Which equation represents a direct variation?

Mathematics
2 answers:
slega [8]3 years ago
8 0

Answer:

c) y=1/2x

Step-by-step explanation:

A direct variation is a linear function that is written in the form of y=kx, so from the options that we have we have to search for linear functions, that rules out option "A", and now that is written in Y=KX in option b we have a liner function that is written y=X+B which is a constant, so that wouldn´t be and option D is Y=k/x so that one is also wrong, our correct option would be y=1/2x

lord [1]3 years ago
3 0
The answer is c) y=1/2x because a direct variation is in the formula b=ka where k is a constant. 
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Answer:

Option B and D are correct.

Step-by-step explanation:

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* Case 1:

If a line passes through the points (2, 4) and (5, 6)

Point slope intercept form:

for any two points (x_1,y_1) and (x_2, y_2)

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then, by point slope intercept form;

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