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

Step-by-step explanation:

  2√98 * √2

= 2√7*7*2*2

=2 *  7  *  2

= 28

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Answer: 41√3

Step-by-step 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