Worksheet #27: More Logarithms | Answer Key - Edubirdie

University:
Highline College
Course:
MATHP 141 | Precalculus I Plus Extra Support
Academic year:

2022
Views:

206

Pages:

1
Author:

Angelica Lam

Workshop #27 1. Without a calculator ﬁnd these values exactly (a) log(0.001) (b) ln 1 √ 3 e (c) log100 (0.001) (f) log√5 (125) (d) log4 (8) (g) log2√2 (4) √ (h) log √1 (49 7) √ (e) log100 (1000 10) 7 2. Solve the following for x (a) 2x 2 +1 = 4x (b) logx (16) = 4 3. Write the following as a single logarithm (a) 1 log x − 2 log y 2 11 5 4. Suppose that log(a) = , log(b) = and log(c) = 10 2 10 2 a b (a) log c3 5. Solve the following for x x 3 (a) 3 − ln =8 2 (b) log4 (x − 2) − log4 (3x) = log4 (4) 1 (c) log11 (x) + log11 (5x + 2) = log11 (9) 2 (b) 1 − [log3 (x − 1) + log3 (x + 1)] 4 , without using a calclator, compute the following 3 √ −1 c·b (b) log a2

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