Algebra4
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Publicado: 21 de abril de 2012
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Evaluate the logarithm. 1 1) log 7 7 A) 7 1 8 64 B) 8 3 1 2 B) -2 C) 2 D) 1 2 4) B) 10 C) 0 D) 45) B) 10 C) 0 D) 1 C) -2 D) -8 3) B) 1 C) -1 D) 0
1)
2) log
2)
A) 2 3) log
3
A)
4) log 4 4 A) 1 5) log 1 9 A) 9 Write in logarithmic form. 6) 6 2 = 36 A) log 36 = 6 2 1 7) 3-3 = 27 1 A) log -3 = 3 27 Evaluate the logarithm. 8) log5 (-1) A) 1 Write in logarithmic form. 9) 10-4 = 0.0001 A) log .10 = -4 4 C) log -4 = .10 4
6) B) log 36 6=2 C) log 36 = 2 6 D) log2 = 36 6 7) B) log 1 = -3 3 27 C) log 1 = 3 -3 27 D) log 1/27 3 = -3
8) B) 0 C) - 1 D) Undefined
9) B) log D) log 10 10 -4 = 0.0001 0.0001 = -4
1
10) 104 = 10,000 A) log 10,000 = 410 C) log 10,000 = 10 4 Write an equivalent expression in exponential form. 1 11) log = -3 5 125 A) 3 5 = 1 125 B) 5 -3 = 1 125
10) 10 D) log 10 = 10,000 4 B) log 4 = 10,000
11) C) 51/125 = 3 D) 1 3 = 5 125 12)
12) log
0.01 = -2 10 A) -2 10 = 0.01
B) 10-2 = 0.01
C) 0.01-2 = 10
D) 100.01 = -2
Solve the equation. 13) log3 81 = x A) {84} 1 = x 125 1 25B) 1 625 C) {-3} D) {3} B) {27} C) {4} D) {243}
13)
14) log5 A)
14)
15) logx 16 = - 2 A) 1 4 B) - 1 4 C) 4 D) - 4
15)Write the expression as a sum, difference, or product of logarithms. Assume that all variables represent positive real numbers. 16) 16) loga(8x5 y) A) loga 8 + (loga x)5 + loga y C) loga 8 + 5loga x + loga y 4 4 5 1 log4 4 + log4 4 2 log4 5 B) (loga 8 )(logax) (loga y) D) loga (8 + x5 + y)
17) log4
17)
A) log4 4 + log4 4 - log4 5
B)
1 C) (log4 4) log4 4 - log4 5 2
1 D) log4 4 + log4 4 - log4 5 2
2...
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