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elementary math 1-50

Total questions: 50

Worksheet time: 17mins

Name
Class
Date
1.

Properties degree with rational exponent: ar×asa^r\times a^s  

a)

ar+s

b)

ar-s

c)

ars

d)

a2rs

e)

ar×ar-s

2.

Properties degree with rational exponent: ar÷asa^r\div a^s  

a)

ars

b)

ar×ar-s

c)

ar-s

d)

ar+s

e)

a2rs

3.

Properties degree with rational exponent: (ar)s\left(a^r\right)^s  

a)

ar×ar-s

b)

a2rs

c)

ar+s

d)

ar-s

e)

ars

4.

Properties degree with rational exponent: (ab)r; (b≠0)\left(\frac{a}{b}\right)^r;\ \left(b\ne0\right)  

a)

a2rs

b)

ar/br

c)

ar-s

d)

ar+s

e)

ar×ar-s

5.

Degree with rational exponent: amna^{\frac{m}{n}}  

a)

amn\sqrt[n]{a^m}  

b)

anm\sqrt[m]{a^n}  

c)

am-n

d)

am/n

e)

am+n

6.

Properties degree with rational exponent: (a×b)r\left(a\times b\right)^r  

a)

ar-s

b)

ar+s

c)

ar/br

d)

ar×br

e)

a2rs

7.

Properties of the root n-th degree: (ann)\left(\sqrt[n]{a^n}\right)  

a)

a

b)

a2n\sqrt[2n]{a}  

c)

an\sqrt[n]{a}  

d)

an

e)

an−1\sqrt[n-1]{a}  

8.

Properties of the root n-th degree: abn\sqrt[n]{ab}  

a)

(ab)n-1

b)

a×bn\sqrt[n]{a\times b}  

c)

bn×a\sqrt[n]{b}\times a  

d)

an×b\sqrt[n]{a}\times b  

e)

an×bn\sqrt[n]{a}\times\sqrt[n]{b}  

9.

Properties of the root n-th degree: abn\sqrt[n]{\frac{a}{b}}  

a)

anbn\frac{\sqrt[n]{a}}{\sqrt[n]{b}}  

b)

anb\frac{\sqrt[n]{a}}{b}  

c)

(an)n\left(\frac{a}{n}\right)^n  

d)

(an)n−1\left(\frac{a}{n}\right)^{n-1}  

e)

a×bn\sqrt[n]{a\times b}  

10.

Properties of the root n-th degree: (an)m\left(\sqrt[n]{a}\right)^m  

a)

am/n

b)

anm\sqrt[m]{a^n}  

c)

am-n

d)

am×n

e)

am+n

11.

Properties of the root n-th degree: amknk\sqrt[nk]{a^{mk}}  

a)

amn\sqrt[n]{a^m}  

b)

ak

c)

anm

d)

nma\sqrt[a]{nm}  

e)

ak\sqrt[]{a^k}  

12.

Properties of the root n-th degree:  amn\sqrt[n]{\sqrt[m]{a}}  

a)

anm\sqrt[nm]{a}  

b)

nma\sqrt[a]{nm}  

c)

 anm

d)

amn\sqrt[n]{a^m}  

e)

anm\sqrt[m]{a^n}  

13.

Основное логарифмическое тождество:

a)

alog⁡aN=Na^{\log_aN}=N  

b)

alog⁡aN=aNa^{\log_aN}=a^N  

c)

log⁡aa=N\log_aa=N  

d)

log⁡a1=0\log_a1=0  

e)

log⁡aN=b\log_aN=b  

14.

Main logarithmic identity: log⁡aa\log_aa  

a)

1

b)

a

c)

0

d)

lg⁡1\lg1  

e)

ln⁡a\ln a  

15.

Properties of logarithms: log⁡a1\log_a1  

a)

0

b)

1

c)

a

d)

lg⁡1\lg1  

e)

lg⁡1\lg1  

16.

Properties of logarithms: log⁡a(N1×N2)\log_a\left(N_1\times N_2\right)  

a)

log⁡aN1+log⁡aN2\log_aN_1+\log_aN_2  

b)

log⁡aN1×log⁡aN2\log_aN_1\times\log_aN_2  

c)

log⁡aN1×N2\log_aN_1\times N_2  

d)

N2×log⁡aN1N_2\times\log_aN_1  

e)

(N1×N2)a\left(N_1\times N_2\right)^a  

17.

Properties of logarithms: log⁡a(N1N2)\log_a\left(\frac{N_1}{N_2}\right)  

a)

log⁡aN1−log⁡aN2\log_aN_1-\log_aN_2  

b)

log⁡aN1×log⁡aN2\log_aN_1\times\log_aN_2  

c)

log⁡aN1×N2\log_aN_1\times N_2  

d)

N2×log⁡aN1N_2\times\log_aN_1  

e)

(N1×N2)a\left(N_1\times N_2\right)^a  

18.

Properties of logarithms: log⁡aNk\log_aN^k  

a)

klog⁡aNk\log_aN  

b)

kk  

c)

log⁡kaN\log_ka^N  

d)

 Nlog⁡ak\ N\log_ak  

e)

NN  

19.

Properties of logarithms: log⁡aNn\log_a\sqrt[n]{N}  

a)

1nlog⁡aN\frac{1}{n}\log_aN  

b)

klog⁡aNk\log_aN  

c)

k

d)

log⁡kaN\log_ka^N  

e)

Nlog⁡akN\log_ak  

20.

Properties of logarithms: log⁡bNlog⁡ba\frac{\log_bN}{\log_ba}  

a)

log⁡aN\log_aN  

b)

log⁡aa\log_aa  

c)

log⁡Nb\log_Nb  

d)

log⁡Na\log_Na  

e)

Na\frac{N}{a}  

21.

Calculate: log⁡159+2log⁡1553\log_{\frac{1}{5}}9+2\log_{\frac{1}{5}}\frac{5}{3}  

a)

-2

b)

25

c)

1/5

d)

1/2

e)

-3

22.

Calculate: log⁡38+3log⁡392\log_38+3\log_3\frac{9}{2}  

a)

6

b)

9

c)

27

d)

5

e)

3

23.

Calculate: log⁡7196−2log⁡72\log_7196-2\log_72  

a)

2

b)

7

c)

49

d)

192

e)

36

24.

Calculate: log⁡23+12log⁡243\log_2\sqrt[]{3}+\frac{1}{2}\log_2\frac{4}{3}  

a)

1

b)

2

c)

3

d)

4

e)

5

25.

Calculate the logarithm: lg⁡0.1\lg0.1  

a)

-1

b)

10

c)

1/10

d)

0.01

e)

1/2

26.

Calculate the logarithm: lg⁡10\lg\sqrt[]{10}  

a)

1/2

b)

10

c)

0.1

d)

0.01

e)

0.2

27.

Calculate the logarithm: lg⁡10000\lg10000  

a)

4

b)

10

c)

0.1

d)

0.4

e)

5

28.

Calculate the logarithm: lg⁡0.0001\lg0.0001  

a)

-4

b)

10

c)

0.1

d)

0.4

e)

5

29.

Calculate the natural logarithm: ln⁡e\ln e  

a)

1

b)

e

c)

1e

d)

0.1

e)

2.7

30.

Calculate the natural logarithm: ln⁡e13\ln e^{\frac{1}{3}}  

a)

1/3

b)

e

c)

1e

d)

0.1

e)

2.7

31.

Calculate the natural logarithm: ln⁡e\ln\sqrt[]{e}  

a)

1/2

b)

e

c)

1e

d)

0.1

e)

2.7

32.

Find logarithm of  number  100 to the base 10:

a)

2

b)

1

c)

0

d)

3

e)

10

33.

Find logarithm of  number 10\sqrt[]{10}  to the base 10:

a)

1/2

b)

e

c)

1e

d)

0.1

e)

2.7

34.

Find logarithm of  number  0,001 to the base 10:

a)

-3

b)

10

c)

1/2

d)

0.1

e)

0.01

35.

Find logarithm of  number  1023\sqrt[3]{10^2}   to the base 10:

a)

2/3

b)

10

c)

1/2

d)

0.1

e)

0.01

36.

The logarithmic inequality log⁡264=6\log_264=6  write a degree of inequality

a)

26=64

b)

642=32\frac{64}{2}=32  

c)

62=36

d)

82=64

e)

6×2=126\times2=12  

37.

Calculate: log⁡522−log⁡511−log⁡510\log_522-\log_511-\log_510  

a)

-1

b)

1/5

c)

1

d)

2/10

e)

0.2

38.

Calculate: log⁡27−log⁡263+log⁡236\log_27-\log_263+\log_236  

a)

2

b)

92

c)

1/9

d)

36/9

e)

4

39.

Calculate: log⁡764−log⁡7256+log⁡728\log_764-\log_7256+\log_728  

a)

1

b)

7

c)

-164

d)

1/4

e)

5

40.

Calculate: log⁡216\log_216  

a)

4

b)

2

c)

16

d)

8

e)

3

41.

Calculate: log⁡231\log_{23}1  

a)

0

b)

1

c)

23

d)

24

e)

7

42.

Calculate: log⁡7196−2log⁡72\log_7196-2\log_72  

a)

2

b)

49

c)

7

d)

169

e)

196

43.

The perform operations  (-3а3в)(-2ав2)(-5а3в7)

a)

-30а7в10

b)

-30а6в14

c)

-10а7в10

d)

-25а9в14

e)

-10а9в14

44.

The perform operations  (-5ав4с)3(а5 вс2)2

a)

-5а13в14с7

b)

-а6в14

c)

-3а7в10с4

d)

-25а9в14с3

e)

-7а9в14с4

45.

The perform operations (а 2 – 3 в2 ) 2

a)

а4-6а2в2+9в4

b)

а2в2-2а2в3+9в4

c)

а4в4-4а2в3+3в2

d)

а2в2-а2в3+3в2

e)

2а2в-6в2

46.

The perform operations  35а5в4с:(7ав3с)

a)

5а4в

b)

10а5в4с

c)

105а6в7с2

d)

5а6в7с2

e)

7а4в

47.

3log⁡3273^{\log_327}  apply the main logarithmic identity

a)

27

b)

3

c)

15

d)

18

e)

9

48.

5log⁡51255^{\log_5125}  apply the main logarithmic identity

a)

125

b)

5

c)

25

d)

625

e)

0

49.

Solve the equation: log⁡3(2x−1)=2\log_3\left(2x-1\right)=2  

a)

5

b)

10

c)

9

d)

1

e)

2

50.

Solve the equation: log⁡7(4−x)=1\log_7\left(4-x\right)=1  

a)

-3

b)

3

c)

7

d)

4

e)

8