Question 32
SurdsGiven that √128 + √18 − √k = 7√2, find k,
- A.8
- B.16
- C.32
- D.48
Show the answer and explanation
Answer: C (32)
Explanation
8√2 + 3√2 − √k = 7√2, so √k = 4√2 = √32 and k = 32.
Given that √128 + √18 − √k = 7√2, find k,
Answer: C (32)
8√2 + 3√2 − √k = 7√2, so √k = 4√2 = √32 and k = 32.