Question 96415
The square root is when there are two equal numbers that can be multiplied together still gives that number. An example of this is the number 25; when multiplied 5*5 or –5*-5, the square root is 5.
Cube roots are made of three equal numbers when multiplied together; this example would be 2*2*2 = 8. This means that 2 is the cube root of 8.
 
The nth roots are multiplied together; this example is the 10th roots of 1024 are 2 and -2
 
The radical refers to a square root and can be written like x 
The difficulty of a square root is you cannot take the square root of a negative number.