Question

1 Which expression is equivalent to 2√98.√2

A 784
B 28
C 4√98
D 14√2

2. What is 7√27+5√48 in simplified radical form

Answer 1

Answer: B

Explanation:

2√98 * √2

= 2√7*7*2*2

=2 * 7 * 2

= 28

*****************************************************************

Answer: 41√3

Explanation:

7√27 + 5√48

= 7√3*3*3 + 5√2*2*2*2*3

= 7 * 3√3 + 5 * 2 * 2 √3

= 21√3 + 20√3

= 41√3