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Q: What is the constant of proportionality in the equation y 2.5x?

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If the equation is y = kx then the constant of proportionality is k.

In a table, divide a number in one column by the corresponding number in the other column. In a graph it is the gradient of the line. The equation, for the variables X and Y will be of the form Y = mX and the constant of proportionality is m.

It is the speed, which must be maintained at a constant value.

The linear function has the form y=mx+b, which I expect you have heard of. The 'b' is the y-intercept, and the 'm' is the slope. A constant of proportionality is something you have with direct variation, which is where the line goes through (0,0). This happens when 'b' equals zero. So now the equation is just y=mx, and the constant of proportionality is 'm'.

It is 5.

Related questions

If the equation is y = kx then the constant of proportionality is k.

The constant of proportionality for y = 0.95x is 0.95

y = c*x3 where c is the constant of proportionality.

y = kx where k is a non-zero constant is an equation of direct proportionality between x and y.

y = cx where c is the constant of proportionality.

The constant of proportionality for y = 0.95x is 0.95

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.

In a table, divide a number in one column by the corresponding number in the other column. In a graph it is the gradient of the line. The equation, for the variables X and Y will be of the form Y = mX and the constant of proportionality is m.

It is the speed, which must be maintained at a constant value.

The linear function has the form y=mx+b, which I expect you have heard of. The 'b' is the y-intercept, and the 'm' is the slope. A constant of proportionality is something you have with direct variation, which is where the line goes through (0,0). This happens when 'b' equals zero. So now the equation is just y=mx, and the constant of proportionality is 'm'.

Without an equality sign it cannot be considered to be a straight line equation. But if you mean: y = 25x-3 then the parallel line is y = 25x-61

It is 5.

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