Do you think that a negative sign affects whether or not a number is rational number? use -8/5 an example.

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Which expression is the factorization of x^2+10+21