Asked by Cassie
Does y vary directly with x? if
3y=-7x-18
yes:3
yes:-7
no
yes: 7/3
my first thought was no but I question 7/3??
3y=-7x-18
yes:3
yes:-7
no
yes: 7/3
my first thought was no but I question 7/3??
Answers
Answered by
Steve
no
If y = -7/3 x then yes, but adding the -6 messes it up.
To see this is true, plug in two values for x and see whether y is the same multiple of the values.
If y = -7/3 x then yes, but adding the -6 messes it up.
To see this is true, plug in two values for x and see whether y is the same multiple of the values.
Answered by
Cassie
I think the answer is no
Answered by
Giraffe Lover
Yes
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