Suppose the two variables are denoted by X and Y.
If Y is a constant multiple of X, that is Y = c*X, then the variation is direct.
If the value of X*Y is a constant, that is Y = c/X, then the variation in inverse.
The equation is xy = 22.5
find the direct variation equation 3x+y=0
If the relationship between two variables in a table is that of direct variation, then the unit rate or the constant of proportionality is determined by dividing any non-zero value of one of the variables by the corresponding value of the other variable.
It is not possible to answer the question since there is no information as to whether the relationship between x and y is one of direct proportion, inverse proportion or something else.
Find the additive inverse (opposite) of: 18/23
variation
The equation is xy = 22.5
find the direct variation equation 3x+y=0
B. Constant
use the formula y=kx
For a direct variation equation the constant MUST be 0. Then the ratio of a pair of values of the two variables is the slope.
If the variables are in direct or inverse proportion then yes; otherwise no.
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The equation is xy = 5*9 = 45 Alternatively, y = 45/x
If the relationship between two variables in a table is that of direct variation, then the unit rate or the constant of proportionality is determined by dividing any non-zero value of one of the variables by the corresponding value of the other variable.
It is a.
On the TI-84 Plus calculator, to find the inverse function, you can use the "Y=" editor to define your function. Once you've entered your function, press the "2nd" key followed by the "Y=" key to access the "Vars" menu, then select "Y-VARS" and choose "Function." You can find the inverse function by using the "x" variable or applying the "1/x" functionality, depending on the context. For direct inverse calculations, you can also use the "Calc" feature to evaluate the inverse at specific points.