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Reiškiniai, lygtys, nelygybės 8 kl.

Authored by jurguta jurguta

Mathematics

8th Grade

Used 6+ times

Reiškiniai, lygtys, nelygybės 8 kl.
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Parašykite reiškinį sandauga:

4c2 - 20cd + 25d2

(2c - 5d)(2c + 5d)

(2c + 5d)2

(2c - 5d)2

(4c - 5d)2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Iškelkite bendrą dauginamąjį prieš skliaustus:

13x2 + x =

x(13x + x)

x(13x + 0)

x(13x + 1)

13(x2 + x)

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Išskaidykite dauginamaisiais:

a2 - 144 =

(a - 144)(a + 144)

(a - 12)2

a(a - 144)

(a - 12)(a + 12)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Iškelkite bendrą dauginamąjį prieš skliaustus:

5xy + 5yz =

5y(x + z)

5(xy + yz)

5x(y + yz)

5y(x - z)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Išskaidykite dauginamaisiais:

0,36 - y2

( 0,6 - y)2

( 0,6 - y2)2

( 0,6 - y)(0,6 + y)

(0,6 - y2)(0,6 + y2)

6.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Išspręskite lygtį

y : 8 - 2 =4

(a)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

y + 5,1 < 2,3

y > 7,4

y > - 2,8

x < 2,8

y < - 2,8

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