1. Numbers like 7.84, 169, and 1/4 are called

a. Decimal numbers

b. Irrational numbers

c. Square roots

d. Perfect squares

2. What is the next term in the pattern? 4.41, 4.84, 5.29, 5.76, _____

a. 5.82

b. 5.94

c. 6.16

d. 6.25

3. Which of the given below is an example of an irrational number?

a. 2/5

b. 4/5

c. 0.125

d. 0.93333.....

4. Is the principal root of √(2.5) a rational number? Why?

a. Yes, because the index is even

b. No, because the index is not odd

c. Yes, because the radicand is a perfect n^th power of a number

d. No, because the radicand is not a perfect n^th power of a number

5. What is the 4^th term in the given pattern? 1.21, 1.44, 1.69, _____, 2.25, 2.56

a. 1.83

b. 1.92

c. 1.96

d. 2.18