Quiz
Indices, Surds & Logarithms


Given that x = lg a is a solution of the equation
102x+1 - 7 (10x) = 26,
find the value of a.
Answer


Solve the equation
log2x - 4 logx16 = 0
Answer


Solve the equation
32x+1 - 2 (3x+0.5) - 3 = 0
Answer


Solve the equation
(ln x)2 = ln x2
Answer


Solve the equation
2 (7x-1) = 5x
Answer


If log2a + log2b = 4, show that log4ab = 2 and that log8ab = 4/3.
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Introduction to Logrithms

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