How can a root be written using a rational expression? give an example

The rational root of x cubed - 2x squared - 9x + 18 is 2, since f(2) = 0.

Step-by-step explanation:

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%