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ratelena [41]
3 years ago
13

For the data in the table, does y vary directly with x? If it does, write an equation for the direct variation.

Mathematics
2 answers:
Komok [63]3 years ago
6 0

we know that

A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form y/x=k or y=kx

Verify

A) For the point(10,12)

Find the value of k

k=y/x

substitute

k=12/10=1.2

B) For the point(15,18)

Find the value of k

k=y/x

substitute

k=18/15=1.2

C) For the point(20,24)

Find the value of k

k=y/x

substitute

k=24/20=1.2

so

The value of k is equal to 1.2

The equation of the direct variation is equal to

y=1.2x

therefore

<u>the answer is the option a</u>

yes; y=1.2x

padilas [110]3 years ago
4 0
The correct answer is A.
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