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10 questions from this quiz
loga(xy)=loga(x)+loga(y)\log_a(xy) = \log_a(x) + \log_a(y)loga(xy)=loga(x)+loga(y)
loga(xy)=loga(x)−loga(y)\log_a\left(\frac{x}{y}\right) = \log_a(x) - \log_a(y)loga(yx)=loga(x)−loga(y)
nloga(x)n \log_a(x)nloga(x)
Logarithms must have the same base
Rational because it equals 21\frac{2}{1}12
x>0x > 0x>0 (argument must be positive)
x+3=23x + 3 = 2^3x+3=23
x=5x = 5x=5
Take logarithm of both sides
Makes 2x−1=−6<02x - 1 = -6 < 02x−1=−6<0 (negative argument)
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