Practice mode / Logarithm If loge x + loge(1-x) = 0 then A Option A: x2+x-1 = 0 B Option B: x2-x+1 = 0 C Option C: x2+x-e = 0 D Option D: x2+x+e = 0 E Option E: x2+7x+e = 0 Correct answer B. x2-x+1 = 0 Show answer Report a problem How we write and check questions
Question 01 / Logarithm If log81/log3 = x then x is equal to A Option A: 2 B Option B: 3 C Option C: 4 Correct answer C. 4 Show answer Open question
Question 02 / Logarithm If log100 u = -2 then u = A Option A: 1000000 B Option B: 1/1000000 C Option C: 0.001 D Option D: 1/10000 E Option E: 100 Correct answer D. 1/10000 Show answer Open question
Question 03 / Logarithm Evaluate 3logb a4 x loga b5 A Option A: 35 B Option B: 49 C Option C: 60 D Option D: 30 E Option E: 7 Correct answer C. 60 Show answer Open question
Question 04 / Logarithm Evaluate log2 (log4 256) A Option A: 2 B Option B: 4 C Option C: 3 D Option D: 8 1 E Option E: 8 Correct answer A. 2 Show answer Open question
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