ΤΑΥΤΟΤΗΤΕΣ

ΤΑΥΤΟΤΗΤΕΣ

9th Grade

10 Qs

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ΤΑΥΤΟΤΗΤΕΣ

ΤΑΥΤΟΤΗΤΕΣ

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Medium

Created by

Ματία Υψηλάντη

Used 53+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Το ανάπτυγμα του  (χ + α)2\left(χ\ +\ α\right)^2  είναι:

 χ2 + α2χ^2\ +\ α^2  

 χ2  2χα + α2χ^2\ -\ 2χα\ +\ α^2  

 χ2  χα + α2χ^2\ -\ χα\ +\ α^2  

 χ2 + 2χα + α2χ^2\ +\ 2χα\ +\ α^2  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Το ανάπτυγμα του   (y  2)2\left(y\ -\ 2\right)^2  είναι:

 y2  2y + 4y^2\ -\ 2y\ +\ 4  

 y2  4y^2\ -\ 4  

 y2  4y  + 4y^2\ -\ 4y\ \ +\ 4  

 y2 + 4y + 4y^2\ +\ 4y\ +\ 4  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Το ανάπτυγμα του (y - 3)(y + 3) είναι:

y2 3y^2\ -\ 3

9 y29\ -\ y^2

y2 9y^2\ -\ 9

3 y23\ -\ y^2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Το ανάπτυγμα του (y + x)(x - y) είναι:

y2 x2y^2\ -\ x^2

x2 y2x^2\ -\ y^2

(x y)2\left(x\ -\ y\right)^2

x2 + y2x^2\ +\ y^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Το ανάπτυγμα του (ω - 2α)(ω + 2α) είναι:

ω2 2α2ω^2\ -\ 2α^2

ω2 + 4α2ω^2\ +\ 4α^2

4α2 ω24α^2\ -\ ω^2

ω2 4α2ω^2\ -\ 4α^2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Iσχυˊει οˊτι   (3x  y)2 = 3x2  6xy + y2Ισχύει\ ότι\ \ \ \left(3x\ -\ y\right)^2\ =\ 3x^2\ -\ 6xy\ +\ y^2  


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7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Iσχυˊει οˊτι  (5ω + 4)2 = 25ω2 + 16Ισχύει\ ότι\ \ \left(5ω\ +\ 4\right)^2\ =\ 25ω^2\ +\ 16  


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