ASVAB Arithmetic Reasoning Practice Test 156585

Question 3 of 5
Multiplying & Dividing Radicals

To multiply or divide radicals, multiply or divide the coefficients and radicands separately: \(x\sqrt{a} \times y\sqrt{b} = xy\sqrt{ab}\) and \({x\sqrt{a} \over y\sqrt{b}} = {x \over y}\sqrt{a \over b}\)

What is 7\( \sqrt{7} \) x 6\( \sqrt{2} \)?

13\( \sqrt{14} \)
13\( \sqrt{2} \)
42\( \sqrt{9} \)
42\( \sqrt{14} \)