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How do you know that a table value is a linear function?
There are several ways to do that. For example, you can actually graph the function. Or, you can check the ratio of the differences between the points. If this ratio (change in y, divided by change in x) is constant, the function is linear.
How do you find a point of a linear function?
Given a linear function in n variables, you need to select values for (n-1) of the variables. Solve the resulting function for the nth variable. Then the ordered n-tuple represents the coordinates, in n-dimensional space, of a point that is on the linear function.Selecting different sets of (n-1) variables, and different values will result in different solutions. Together, these will from a line in n-dimensional space.
How can you write a linear function as word problem?
The form of linear function is: y = ax + b. We have to determine a and b coefficients. For example, we have two variables with their values which are displayed in two colunm. The formulate for these coefficients as below: a = sum of [(xi-xaverage)*(yi-yaverage)] / sum of [(xi-xaverage)2] b = a*xaverage - yaverage You need to calculate correlative coefficient r2. The formulate as below: r2 = [(a*SD(xi)/SD(yi)]2 Where: SD - Standard Deviation.
How do you write 2.85 as a percent?
to write it as a percent, you need to know the whole. So 2.85 out of what?
Convert price per linear yard to price per square yard?
You need to know the width of the product. If the width is w feet, thenprice per sq foot = price per linear yard/(3*w)
