sqrt(p) + sqrt(q) - sqrt(r): write each as a multiple of one surd

1. A.
   $7\sqrt{2}$
2. B.
   $6\sqrt{2}$
3. C.
   $5\sqrt{2}$
4. D.
   $8\sqrt{2}$

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1. A.
   $7\sqrt{2}$
2. B.
   $6\sqrt{2}$
3. C.
   $5\sqrt{2}$
4. D.
   $8\sqrt{2}$

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1. A.
   $4\sqrt{5}$
2. B.
   $6\sqrt{5}$
3. C.
   $8\sqrt{5}$
4. D.
   $7\sqrt{5}$

Tap an option to check your answer.