The volume of a cone can be approximated by carving the cone into slices, and approximating each slice with a cylinder. To then set it up as a Riemann sum, it helps to orient the cone so that we can … Continue reading

# Tag Archives: graphics

Without computing the integral, decide if is positive or negative, and explain your decision. Solution: We know that (in blue) is positive but decreasing. On the other hand, (in green) is positive on , and then repeats itself (but negative) … Continue reading

For practicing understanding the implications of lefthand vs. righthand (or lower bound vs. upper bound integrals), it's nice to be able to graph a function with a grid suited to the task. I plotted a portion of using Mathematica. f[x_] … Continue reading

The students often create charts to explain the work they have been doing on classroom handouts. This gives them a chance to explain their work, and is important in reinforcing what they have learned, practicing literacy skills, and being comfortable … Continue reading

Here are some convenient number line graphics you can print or insert into your own documents. Wall poster from -15 to 15, to be printed on 31 sheets of 8.5x11. -15 to 15 in PNG format -15 to 15 in … Continue reading