Laws of Indices (HOTS) solving index equations

Laws of Indices (HOTS) solving index equations

9th - 11th Grade

20 Qs

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Laws of Indices (HOTS) solving index equations

Laws of Indices (HOTS) solving index equations

Assessment

Quiz

Mathematics

9th - 11th Grade

Hard

Created by

Ting Ui

Used 353+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve 2(x+1)×4(2x3)=16(3x2)2^{\left(x+1\right)}\times4^{\left(2x-3\right)}=16^{\left(3x-2\right)}  

 73\frac{7}{3}  

 37\frac{3}{7}  

 73-\frac{7}{3}  

 37-\frac{3}{7}  

 47\frac{4}{7}  

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Solve (8y)y132y=4\left(8^y\right)^y\cdot\frac{1}{32^y}=4  (two answers)

 13-\frac{1}{3}  

 13\frac{1}{3}  

3

2

 2-2  

3.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Solve 216(m21)=94m28m216^{\left(m^2-1\right)}=9^{4m}\cdot2^{8m}  (two answers)

 13\frac{1}{3}  

 13-\frac{1}{3}  

 16\frac{1}{6}  

 3-3  

 6-6  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve 32(x+2)=28x×2(5x)\sqrt{32^{\left(x+2\right)}}=\frac{2}{8^x\times2^{\left(5-x\right)}}  

 0.2-0.2  

 12\frac{1}{2}  

 2-2  

2

 12-\frac{1}{2}  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve 9(2z10)=7027(z+3)3(5z1)9^{\left(2z-10\right)}=\frac{7^0}{\sqrt{27^{\left(z+3\right)}3^{\left(5z-1\right)}}}  

 12\frac{1}{2}  

2

 2-2  

 12-\frac{1}{2}  

0.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve (9)(12x)=34\left(-9\right)^{\left(1-2x\right)}=3^{-4}  

 23\frac{2}{3}  

 23-\frac{2}{3}  

 32\frac{3}{2}  

 0.30.3  

 32-\frac{3}{2}  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve 8x23=2258x^{-\frac{2}{3}}=\frac{2}{25}  

 11000-\frac{1}{1000}  

 1000-1000  

0.0001

1000

 11000\frac{1}{1000}  

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