Question

1. Write a variable expression for the word phrase "the quotient of eight and a number"

8 - z
8 + z
8 z
8 ÷ z

2. Simplify. X^5
------
X^3
x²
x^8
x^15
x^-2

Answer 1

1. The phrase "the quotient of 8 and a number" means "8 divided by a number." If the number is represented by "z", then it means "8 divided by z", or
8 ÷ z

2. (x^5)/(x^3) = x^(5-3) = x^2, or x²