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Basics math and indices

Total questions: 66

Worksheet time: 1hrs 1mins

Name
Class
Date
1.

a2a3=a5a^2a^3=a^5

a)

True

b)

False

2.

a2a3=a6a^2a^3=a^6

a)

True

b)

False

3.

(a2)3=a6\left(a^2\right)^3=a^6

a)

True

b)

False

4.

(a2)3=a5\left(a^2\right)^3=a^5

a)

True

b)

False

5.

(a2)3=a8\left(a^2\right)^3=a^8

a)

True

b)

False

6.

a3+a3=2a3a^3+a^3=2a^3

a)

True

b)

False

7.

a3+a3=a6a^3+a^3=a^6

a)

True

b)

False

8.

a3+a3=a9a^3+a^3=a^9

a)

True

b)

False

9.

(3ab)2=9a2b2\left(3ab\right)^2=9a^2b^2

a)

True

b)

False

10.

(3ab)2=3a2b2\left(3ab\right)^2=3a^2b^2

a)

True

b)

False

11.

(3ab)2=6a2b2\left(3ab\right)^2=6a^2b^2

a)

True

b)

False

12.

2(ab)=2ab2\left(ab\right)=2ab

a)

True

b)

False

13.

2(ab)=2a2b2\left(ab\right)=2a2b

a)

True

b)

False

14.

2(a+b)=2a+2b2\left(a+b\right)=2a+2b

a)

True

b)

False

15.

2(a+b)=2a+b2\left(a+b\right)=2a+b

a)

True

b)

False

16.

24p2÷22p2=2(42)p(22)=222^4p^2\div2^2p^2=2^{\left(4-2\right)}p^{\left(2-2\right)}=2^2

a)

True

b)

False

17.

24p2÷22p2=2(42)p(22)=22p2^4p^2\div2^2p^2=2^{\left(4-2\right)}p^{\left(2-2\right)}=2^2p

a)

True

b)

False

18.

(a2b3)4=a8b12\left(a^2b^3\right)^4=a^8b^{12}

a)

True

b)

False

19.

(a2b3)4=a6b7\left(a^2b^3\right)^4=a^6b^7

a)

True

b)

False

20.

a1=1aa^{-1}=\frac{1}{a}

a)

True

b)

False

21.

a1=1aa^{-1}=\frac{1}{-a}

a)

True

b)

False

22.

a1=aa^{-1}=-a

a)

True

b)

False

23.

1a2=a2\frac{1}{a^{-2}}=a^2

a)

True

b)

False

24.

1a2=a2\frac{1}{a^{-2}}=a^{-2}

a)

True

b)

False

25.

(ab)1=ba\left(\frac{a}{b}\right)^{-1}=\frac{b}{a} , Final answer

a)

True

b)

False

26.

(ab)1=ba\left(\frac{a}{b}\right)^{-1}=-\frac{b}{a} , Final answer

a)

True

b)

False

27.

(ab)1=ab\left(\frac{a}{b}\right)^{-1}=\frac{a}{b}

a)

True

b)

False

28.

(ab)1=1(ab)\left(\frac{a}{b}\right)^{-1}=\frac{1}{\left(\frac{a}{b}\right)} , Final answer

a)

True

b)

False

29.

a(bc)1=abc\frac{a}{\left(\frac{b}{c}\right)^{-1}}=\frac{ab}{c}

a)

True

b)

False

30.

a(bc)1=acb\frac{a}{\left(\frac{b}{c}\right)^{-1}}=\frac{ac}{b}

a)

True

b)

False

31.

22m12=2m2^2m^{\frac{1}{2}}=2m

a)

True

b)

False

32.

ax+2 ax=1+2=3\frac{a^x+2\ }{a^x}=1+2=3

a)

True

b)

False

33.

2x232x21=2x(2321)2^x2^3-2^x2^{-1}=2^x\left(2^3-2^{-1}\right)

a)

True

b)

False

34.

2x232x21=2x(2321)2^x2^3-2^x2^{-1}=2^x\left(2^32^{-1}\right)

a)

True

b)

False

35.

2x232x21=2(xx)2(3+1)2^x2^3-2^x2^{-1}=2^{\left(x-x\right)}2^{\left(3+1\right)}

a)

True

b)

False

36.

2m2=22m22m^2=2^2m^2

a)

True

b)

False

37.

2(x3)2(x1) 2x=2(x3)2(x1)÷2x \frac{2^{\left(x-3\right)}-2^{\left(x-1\right)}\ }{2^x}=2^{\left(x-3\right)}-2^{\left(x-1\right)}\div2^x\

a)

True

b)

False

38.

2x232x22 2x=2x(2322)\frac{2^x2^3-2^x2^2\ }{2^x}=2^x\left(2^3-2^2\right)

a)

True

b)

False

39.

2(x+3)=2x232^{\left(x+3\right)}=2^x2^3

a)

True

b)

False

40.

2(x3)=2x232^{\left(x-3\right)}=2^x2^{-3}

a)

True

b)

False

41.

2(x+3)=2x+232^{\left(x+3\right)}=2^x+2^3

a)

True

b)

False

42.

2(x3)=2x232^{\left(x-3\right)}=2^x-2^{-3}

a)

True

b)

False

43.

3(5(x+1))=3(5x5)=155x3\left(5^{\left(x+1\right)}\right)=3\left(5^x\cdot5\right)=15\cdot5^x

a)

True

b)

False

44.

3(5(x+1))=3(5x5)=3(5x)3(5)3\left(5^{\left(x+1\right)}\right)=3\left(5^x\cdot5\right)=3\left(5^x\right)\cdot3\left(5\right)

a)

True

b)

False

45.

x2=63x3x^2=\frac{6^3}{x^3}

 x(23)=63\ x^{\left(2-3\right)}=6^3

a)

True

b)

False

46.

(a+b)2=a2+2ab+b2\left(a+b\right)^2=a^2+2ab+b^2

a)

True

b)

False

47.

(x+y)2=x+2xy+y\left(\sqrt[]{x}+\sqrt[]{y}\right)^2=x+2\sqrt[]{xy}+y

a)

True

b)

False

48.

(x+y)2=x+y\left(\sqrt[]{x}+\sqrt[]{y}\right)^2=x+y

a)

True

b)

False

49.

(a+b)2=a2+b2\left(a+b\right)^2=a^2+b^2

a)

True

b)

False

50.

(ab)2=a22ab+b2\left(a-b\right)^2=a^2-2ab+b^2

a)

True

b)

False

51.

(ab)2=a2+b2\left(a-b\right)^2=a^2+b^2

a)

True

b)

False

52.

(ab)2=a2b2\left(a-b\right)^2=a^2-b^2

a)

True

b)

False

53.

12(x+2)=2(x2)\frac{1}{2^{\left(x+2\right)}}=2^{\left(-x-2\right)}

a)

True

b)

False

54.

12(x+2)=2(x+2)\frac{1}{2^{\left(x+2\right)}}=2^{\left(-x+2\right)}

a)

True

b)

False

55.

x+y=x+y\sqrt[]{x+y}=\sqrt[]{x}+\sqrt[]{y}

a)

True

b)

False

56.

1+x2=1+x\sqrt[]{1+x^2}=1+x

a)

True

b)

False

57.

x+y=x+y\sqrt[]{x+y}=\sqrt[]{x}+\sqrt[]{y}

a)

True

b)

False

58.

16x2=61x2\frac{1}{6x^2}=6^{-1}x^{-2}

a)

True

b)

False

59.

16x2=6x2\frac{1}{6x^2}=6^{ }x^{-2}

a)

True

b)

False

60.

2x2(x+1)=2(x2)23\frac{2^x}{2^{\left(x+1\right)}}=\frac{2^{\left(x-2\right)}}{2^3}

Compare:
xx+1=x23\frac{x}{x+1}=\frac{x-2}{3}

a)

True

b)

False

61.

2x2(x+1)=2(x2)23\frac{2^x}{2^{\left(x+1\right)}}=\frac{2^{\left(x-2\right)}}{2^3}

2(xx1)=2(x23)2^{\left(x-x-1\right)}=2^{\left(x-2-3\right)}

Compare:
xx1=x23x-x-1=x-2-3

a)

True

b)

False

62.

2x2(x+1)=2(x2)23\frac{2^x}{2^{\left(x+1\right)}}=\frac{2^{\left(x-2\right)}}{2^3}

Compare:
xx+1=x23\frac{x}{x+1}=\frac{x-2}{3}

a)

True

b)

False

63.

2x+2 2=x+1\frac{2x+2\ }{2}=x+1

a)

True

b)

False

64.

2x+2 2=2x+1\frac{2x+2\ }{2}=2x+1

a)

True

b)

False

65.

2x+2 2=x+2\frac{2x+2\ }{2}=x+2

a)

True

b)

False

66.

12=21=2\frac{1}{2}=2^{-1}=-2

a)

True

b)

False