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harkovskaia [24]
3 years ago
10

Which relation is a direct variation that contains the ordered pair (2, 7)?

Mathematics
1 answer:
Tasya [4]3 years ago
8 0
Lets write equation of a function:

y = kx + n

Direct variation in simple is equation of a line which has n=0 or in other words which y to x ratio is k.

First option gets 7=7 but it isnt direct variation because n is not equal to 0

third option is indeed correct. once we implement coordinates (2,7) we get 7=7

Answer is 
y = 7/2x
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