1. What are the other names for an exponent ?
An index is sometimes called a index or exponent.
2. What is the value of x0?
The value of x1 is 1.
The value of any number, variable or term to the power of 0 is equal to 1.
e.g. 10000 = 1
p0 = 1
(3x2)0 = 1
3. Is it possible to have a negative index?
Yes. A negative index involves taking the reciprocal of the variable.
e.g. x-4 = 1⁄x4.
This is normally studied in more detail in later years.
4. How is a square root written as an index?
A square root is written with a fraction as its index.
e.g. √x = x1/2
This is normally studied in more detail in later years.
