Question

7.) 3√6 + 4√6 is equal to:

a. 6√6

b. 7√6

c. 4√12

d. 7√12

8.) √6 x √27 is equal to:

a. 9√2

b. 3√3

c. 2√2

d. 9√3

9.) Which of the following is equal to x3?

a. x6-x3

b. x6.x3

c. x6/x3

d. (x6)3

10.) Which of the following are irrational numbers?

a. √23

b. √225

c. 0.3796

d. 7.478478

11.) The product of a rational and an irrational numbers is:

a) Always an integer

b) Always a rational number

c) Always an irrational number

d) Sometimes rational and sometimes irrational

12.) A rational number between √2 and √3:

a) 1.9

b) (√2. √3)/2

c) 1.5

d) 1.8

13.) 4√5 + 5√5 is equal to:

a) 9√5

b) 9√10

c) 5√10

d) 7√5​

Answer 1

Answer: 7.) b. 7√6

8.)  a. 9√2

9.) c. x6/x3

10.) d. 7.478478

11.) b. Always a rational number

12.) c) 1.5

13.) a) 9√5

Answer 2

1. 7√6
2. 9√2
3. x⁶/x³
4. √23
5. Sometimes rational and sometimes irrational
6. 1.5
7. 9√5