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Is y equals 9 divided by x a proportional relationship?
Yes. It is inversely proportional. An increase in x results in a proportional decrease in y and vice versa.
What is the recoprocal of 5y2 plus 9y?
1/5y2+9
How do you prove that x and y are directly proportional with the equation Y equals 8X-3?
11
If y equals kx then what is the relationship between x y and k?
Various options: y is directly proportional to k, with x as the constant of proportionality; y is directly proportional to x, with k as the constant of proportionality; x is inversely proportional to k, with y as the constant of proportionality; x is directly proportional to y, with 1/k as the constant of proportionality; k is directly proportional to y, with 1/x as the constant of proportionality; and k is inversely proportional to x, with y as the constant of proportionality.
What is 15y2 plus 45y - 9 equals 4y - 5y2?
15y2 + 45y - 9 = 4y - 5y2; thus, 20y2 + 41y - 9 = (5y - 1)(4y + 9) = 0. Therefore, the solution to the equation given is, y = 1/5 or -2¼.
