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Logs definition, expand and condense

Authored by Andrea Hernandez

Mathematics

9th - 10th Grade

CCSS covered

Used 82+ times

Logs definition, expand and condense
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Condense 15 log5a +3 log5b15\ \log_5a\ +3\ \log_5b  

 15log5ab15\log_5ab  

 log5(a15b3)\log_5\left(a^{15}b^3\right)  

 log5(b15a3)\log_5\left(b^{15}a^3\right)  

 45log5(ab)45\log_5\left(ab\right)  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 4log4u6log4v4\log_4u-6\log_4v  Condense

 log4(uv)24\log_4\left(\frac{u}{v}\right)^{24}  

 log4(u6v4)\log_4\left(\frac{u^6}{v^4}\right)^{ }  

 log4(u4v6)\log_4\left(\frac{u^4}{v^6}\right)^{ }  

 log4(v6u4)24\log_4\left(\frac{v^6}{u^4}\right)^{24}  

Tags

CCSS.HSF.LE.A.4

CCSS.HSA.SSE.B.3

CCSS.HSA.SSE.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Expand log4(x5y2)\log_4\left(x^5y^2\right)  

 10log4(x +y)10\log_4\left(x\ +y\right)  1

 5log4x+2log4y5\log_4x+2\log_4y  

 5log9x+2log9y5\log_9x+2\log_9y  

 log4(5x+2y)\log_4\left(5x+2y\right)  

Tags

CCSS.HSF.BF.B.5

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Expand log5(xy5)2Expand\ \log_5\left(xy^5\right)^2  

 2log5x +10log5y2\log_5x\ +10\log_5y  

 10(log5x +log5y)10\left(\log_5x\ +\log_5y\right)  

 10log5x +10log5y10\log_5x\ +10\log_5y  

 10log5x +2log5y10\log_5x\ +2\log_5y  

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

CCSS.HSA.SSE.B.3

CCSS.HSF.IF.C.8

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Write the log in exponential form
 log3y=9\log_3y=9  

 39=x3^9=x  

 3x=93^x=9  

 39=813^9=81  

 x3=9x^3=9  

Tags

CCSS.HSF.BF.B.5

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Write the log in exponential form
 log5y=2\log_5y=2  

 5y=25^y=2  

 25=y2^5=y  

 2y=52^y=5  

 52=y5^2=y  

Tags

CCSS.HSF.BF.B.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Write in a log form
 35=y3^5=y  

 log3y=15\log_3y=15  

 log5y=3\log_5y=3  

 log3y=3\log_3y=3  

 log3y=5\log_3y=5  

Tags

CCSS.HSF.BF.B.5

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