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Example Questions
Example Question #2 : Expressions
If √(ab) = 8, and a2 = b, what is a?
Possible Answers:
10
4
64
2
16
Correct answer:
4
Explanation:
If we plug in a2 for b in the radical expression, we get √(a3) = 8. This can be rewritten as a3/2 = 8. Thus, loga 8 = 3/2. Plugging in the answer choices gives 4 as the correct answer.
Example Question #3 : Expressions
Possible Answers:
–11/5
37/15
9/5
–9/5
–37/15
Correct answer:
–11/5
Explanation:
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