8/x^2-4x
For what values of x would the rational expression be undefined?

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)