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ivolga24 [154]
3 years ago
9

How is -5x + 2y = 9 is not constant of variation

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0
A constant of variation is only in the form ay=bx where b/a=constant so given any point y/x=constant let us check here by substituting x=1 and x=2
when x=1---> 2y=14,y=7 here y/x=7
when x=2--->2y=19,y=9.5 here y/x=4.75
so this equation is not constant of variation
let us check an equation of the form 3y=7x
when x=1--->y=7/3--->y/x=7/3
when x=2--->y=14/3---->y/x=7/3
so 3y=7x is a constant of variation
sukhopar [10]3 years ago
4 0
Yes because there is no constant
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