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Mathematics
10th -
12thgrade
PDM 2.D - Solving Log/Exp Equations & Log Properties
13 questions
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- 1. Multiple ChoiceExpand logarithm6log8v-2log8u6log8u-2log8v3log8u-2log8v6log8u+2log8v
- 2. Multiple Choice
Write as a single log: log(12) + 2 log(x)
log (12 + 2x)
log (14x)
log (12 * 2x)
log (12x2)
- 3. Multiple Choice
Rewrite as a single log:
4 log(g) - 2 log(h)
log (4g/2h)
log (g4/h2)
log (g4 - h2)
log (2gh)
- 4. Multiple Choice
Solve
log2(x + 5) = 3
3
4
5
6
- 5. Multiple Choice
Solve
log (x) + log (x) = log (25)
-5, 5
5
-5
25
- 6. Multiple Choice
Solve
log2(x + 2) + log2x = 3
-4, 2
-2, 4
2
1
- 7. Multiple Choice
Rewrite as a single log: 4 log(g) - 2 log(h)
log (4g/2h)
log (g4/h2)
log (g4 - h2)
log (2gh)
- 8. Multiple ChoiceCondense:
log4- logx- log5+log3log(20/3x)log(12x/5)log(12/5x)log(5x/12) - 9. Multiple ChoiceWhat type of function is y = 7(5/4)x?Exponential GrowthExponential DecayLinearNone of the above
- 10. Multiple ChoiceIf $1,000 is invested at 16% interest, compounded continuously, for five years, what is the ending balance?$1,225,54$2,225.54$22,255.40$225.54
- 11. Multiple ChoiceCompounded Continuously an investment of $400 at a rate of 35% for 2 years$280$680$1,034.47$805.50
- 12. Multiple ChoiceBarium-122 has a half-life of 2 minutes. A fresh sample weighing 80 g was obtained. If it takes 10 minutes to set up an experiment using barium-122, how much barium-122 will be left when the experiment begins?0.25g2.5g25g80g
- 13. Multiple Choice
A bank offers to double your money in 10 years in an account that compounds interest continuously. Find the interest rate on the account.
6.93%
5.26%
8.35%
2.38%
- Answer choicesTagsAnswer choicesTags