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Complete each problem. You can find the solutions and explanations in the next section.

1 Which of the following numbers can be termed rational?

2 Which of the following is a solution of the equation ?

A) 5 B) C) 14 D) 15 E) 16

3 How many terms are there in ?

4 What is the exponent in ?

5 Which of the following is: “the product of four times the difference between x and eight divided by the sum of nine and ”?

A) B) C) D) E)

6 Write the following using the corresponding mathematical symbols: “The quotient of x and 11 is greater than or equal to the sum of 9 and y.”

7 Write the following using the corresponding mathematical symbols: “The difference between 9 and z is less than the product of 9 and z.”

8 How many terms are there in ?

9 What is a common factor of the terms ?

10 Which of the following numbers can be termed real?

11 What is the constant term in ?

12 What is the coefficient in ?

13 Place the following numbers on the number line:

14 Write the following using the corresponding mathematical symbols: “The square root of 20 is about 4.5.”

15 Simplify: .