Logs and Exponents Review

Logs and Exponents Review

11th Grade - University

15 Qs

quiz-placeholder

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Logs and Exponents Review

Logs and Exponents Review

Assessment

Quiz

Mathematics

11th Grade - University

Practice Problem

Medium

CCSS
HSF.BF.B.5

Standards-aligned

Created by

Mr. Kent

Used 14+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify the expression.
 ln(x6)ln4+ln7\ln\left(x-6\right)-\ln4+\ln7  

 ln(7x424)\ln\left(\frac{7x-42}{4}\right)  

 ln(42x74)\ln\left(\frac{42x-7}{4}\right)  

 ln(4x742)\ln\left(\frac{4x-7}{42}\right)  

 ln(7x442)\ln\left(\frac{7x-4}{42}\right)  

 ln(4x427)\ln\left(\frac{4x-42}{7}\right)  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify the expression.
 ln(x8)+ln2ln4\ln\left(x-8\right)+\ln2-\ln4  

 ln(x82)\ln\left(\frac{x-8}{2}\right)  

 ln(8x2)\ln\left(\frac{8-x}{2}\right)  

 ln(2x8)\ln\left(\frac{2-x}{8}\right)  

 ln(x28)\ln\left(\frac{x-2}{8}\right)  

 ln(8x2x)\ln\left(\frac{8x-2}{x}\right)  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write in expanded form.
 log((x8)3m)\log\left(\frac{\left(x-8\right)^3}{m}\right)  

 3\log\left(x-8\right)-\log m  

 3log(x8)+logm3\log\left(x-8\right)+\log m  

 logm3log(x8)\log m-3\log\left(x-8\right)  

 log(x8)3logm\log\left(x-8\right)-3\log m  

 3log(x+8)+logm3\log\left(x+8\right)+\log m  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Write in expanded form.
 log((3x+7)4n)\log\left(\frac{\left(3x+7\right)^4}{n}\right)  

 4log(3x+7)logn4\log\left(3x+7\right)-\log n  

 4log(3x+7)+logn4\log\left(3x+7\right)+\log n  

 logn4log(3x+7)\log n-4\log\left(3x+7\right)  

 log(3x+7)3logn\log\left(3x+7\right)-3\log n  

 n73\frac{n-7}{3}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for x.x. 
 log3(x219)=4\log_3\left(x^2-19\right)=4  

 x=10, x=10x=-10,\ x=10  

 x=10x=10  

 x=5, x=5x=-5,\ x=5  

 x=5x=5  

 x=25, x=25x=-25,\ x=25  

Tags

CCSS.HSF.BF.B.5

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for x.x. 
 log4(x361)=3\log_4\left(x^3-61\right)=3  

 x=10, x=10x=-10,\ x=10  

 x=10x=10  

 x=5, x=5x=-5,\ x=5  

 x=5x=5  

 x=4x=4  

Tags

CCSS.HSF.BF.B.5

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve for x.x. 
 (exe11)x=1e30\left(e^xe^{11}\right)^x=\frac{1}{e^{30}}  

 x=6, x=5x=-6,\ x=-5  

 x=5, x=6x=5,\ x=6  

 x=4, x=7x=4,\ x=7  

 x=4, x=7x=-4,\ x=-7  

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