The homepage for a set of financial calculators at www.amortization.org

These no-frills calculators help determine return on investments, inflation, mortgages, time sheets, debt payoff, and the long-term costs of drinking lattes and smoking cigarettes.

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The rate of change is a rate that describes how one quantity changes in relation to another quantity. In this tutorial, practice finding the rate of change using a graph. Check it out!

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To graph a linear equation in slope-intercept form, we can use the information given by that form. For example, y=2x+3 tells us that the slope of the line is 2 and the y-intercept is at (0,3). This gives us one point the line goes through, and the direction we should continue from that point to draw the entire line.

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