potencije Quiz: 10 Practice Questions (Grade 9)

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Potencije istih baza množimo tako da

pomnožimo eksponenente i baze

baze pomnožimo, eksponente zbrojimo

baze prepišemo, eksponente pomnožimo

baze prepišemo, eksponente zbrojimo

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

u zapisu $a^n$

a je potencija, n je eksponent

a je baza, n je eksponent

a je eksponent, n je baza

a je baza, n je potencija

3.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Koje potencije možemo zbrojiti?

istih eksponeneta

ne mogu se zbrajati

samo istih baza

istih baza i istih eksponenata

4.

MULTIPLE CHOICE QUESTION

20 sec • 5 pts

$\left(a^2\right)^3$

$a^5$

$a^8$

$a^6$

ništa od ponuđenog

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\left(-2\right)^3+\left(-2\right)^2$

-32

-12

-4

12

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\left(2x^{-3}\right)^2$

$2x^{-6}$

$4x^{-6}$

$4x^{-5}$

$4x^{-1}$

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Ako je x=2, onda je $x^{-2}$

-1

1

-4

0,25

8.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$\left(-1\right)^2+\left(-1\right)^3+\left(-1\right)^4$

-2

0

1

-2

9.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$a^{m+n}\cdot a^{m-n}$

$a^{2m}$

$2a^{2m}$

$a^{2m+2n}$

$a^{m^2}$

10.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

$5^4\cdot5^3:5^9$

$5^{16}$

$5^{-2}$

$5^2$

$5^{\frac{12}{9}}$

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potencije

Potencije istih baza množimo tako da

u zapisu ana^nan

Koje potencije možemo zbrojiti?

(a2)3\left(a^2\right)^3(a2)3

(−2)3+(−2)2\left(-2\right)^3+\left(-2\right)^2(−2)3+(−2)2

(2x−3)2\left(2x^{-3}\right)^2(2x−3)2

Ako je x=2, onda je x−2x^{-2}x−2

(−1)2+(−1)3+(−1)4\left(-1\right)^2+\left(-1\right)^3+\left(-1\right)^4(−1)2+(−1)3+(−1)4

am+n⋅am−na^{m+n}\cdot a^{m-n}am+n⋅am−n

54⋅53:595^4\cdot5^3:5^954⋅53:59

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Discover more resources for Mathematics

u zapisu $a^n$

$\left(a^2\right)^3$

$\left(-2\right)^3+\left(-2\right)^2$

$\left(2x^{-3}\right)^2$

Ako je x=2, onda je $x^{-2}$

$\left(-1\right)^2+\left(-1\right)^3+\left(-1\right)^4$

$a^{m+n}\cdot a^{m-n}$

$5^4\cdot5^3:5^9$