What is the index of the following Radical
Square root of Q

 the radical expression above, n is the index, x is the radicand, and the math symbol indicating the taking of roots is the radical. The index tells what root is being taken. If there is no index written, it is understood to be 2, a square root.

Step-by-step explanation:

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

it alot will look like this 4.4

step-by-step explanation:

for exempl this   system of equations   y = x - 3

                                                                y = 2x - 5

look   the line : y = x -3     ( red)

                            the line : y = 2x -5 ( bleus)