For straight lines, the rate of change (slope) is constant (always the same). For such lines, the rate of change is constant. Learn rate of change formula and methods of calculating slope and rate of change with the help of resources on this page.
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A constant rate in math is the absence of acceleration. In general, a function with a constant rate is one with a second derivative of 0. If you were to plot the function on standard graph paper, it would be a straight line, as the change in y (or rate) would be constant.
To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate. So in this case, divide the numerator and denominator of 70/5 by 5, to get 14/1, or 14 students per class, which is the unit rate.
When the value of x increases, the value of y remains constant. That is, there is no change in y value and the graph is a horizontal line. Example: Use the table to find the rate of change. Then graph it.
To find the number of hours she will work in 12 weeks, write a ratio equal to 60/3 that has a second term of 12. Tonya will work 240 hours in 12 weeks. You could also solve this problem by first finding the unit rate and multiplying it by 12.
