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Zoho Logarithm Quiz 1

Question 1

Time: 00:00:00
Solve the equation (1/2)2x + 1 = 1

-1/2

-1/2

1/2

1/2

2/3

2/3

2/5

2/5

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Question 2

Time: 00:00:00
Solve x ym = y x3 for m.

1 + 2 ln(x) / ln(y) 

1 + 2 ln(x) / ln(y) 

1 + 2 ln(x) * ln(y) 

1 + 2 ln(x) * ln(y) 

1

1

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Question 3

Time: 00:00:00
Given: log8(5) = b. Express log4(10) in terms of b.

log4(10) = log4(2) + log4(5) = (1 + 3b) / 2 

log4(10) = log4(2) + log4(5) = (1 + 3b) / 2 

log4(10) = log4(2) + log4(5) = (1 ) / 2 

log4(10) = log4(2) + log4(5) = (1 ) / 2 

None of these

None of these

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Question 4

Time: 00:00:00
Simplify without calculator: log6(216) + [ log(42) - log(6) ] / log(49)

2/3

2/3

7/2

7/2

2/5

2/5

none of these

none of these

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Question 5

Time: 00:00:00
Simplify without calculator: ((3-1 - 9-1) / 6)1/3

1/4

1/4

1/7

1/7

1/3

1/3

1/8

1/8

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Question 6

Time: 00:00:00
Express (logxa)(logab) as a single logarithm.

logxa (logxb / logxa) = logxb 

logxa (logxb / logxa) = logxb 

logxb

logxb

logxa

logxa

None of these

None of these

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Question 7

Time: 00:00:00
Find a so that the graph of y = logax passes through the point (e , 2).

e1/2

e1/2

e1/3

e1/3

2

2

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Question 8

Time: 00:00:00
Find constant A such that log3 x = A log5x , for all x > 0.

ln(5) / ln(3) 

ln(5) / ln(3) 

ln(5)

ln(5)

ln(3) 

ln(3) 

ln(5) / ln(4)

ln(5) / ln(4)

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Question 9

Time: 00:00:00
Solve for x the equation log [ log (2 + log2(x + 1)) ] = 0

2^8 -1

2^8 -1

2^4

2^4

36

36

48

48

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Question 10

Time: 00:00:00
Solve for x the equation 2 x b4 logbx = 486

4

4

5

5

3

3

1

1

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