Search Header Logo

Repaso identidades notables 4ºESO

Authored by Itziar Romero

Mathematics

10th Grade

Used 2+ times

Repaso identidades notables 4ºESO
AI

AI Actions

Add similar questions

Adjust reading levels

Convert to real-world scenario

Translate activity

More...

    Content View

    Student View

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Al desarrollar la expresión (2x5 +y2)2, el resultado es.

4x10+4x5y2+y4

2x10+2x2y2+y4

4x10+4x5y2+2y2

2x10+2x7y7+y4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Desarrolla la siguiente identidad notable: (x2-1)2=

x4+1

x4-1

x4+1-2x2

x4-1-2x2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (5+2x)2=\left(5+2x\right)^2=  

 25+20x+4x225+20x+4x^2  

 25+10x+2x225+10x+2x^2  

 25+4x225+4x^2  

ninguna de las otras es correcta

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (4x12)2=\left(4x-\frac{1}{2}\right)^2=  

 16x22x+1416x^2-2x+\frac{1}{4}  

 16x24x+1416x^2-4x+\frac{1}{4}  

 16x242x+2416x^2-\frac{4}{2}x+\frac{2}{4}  

 16x248x+116x^2-\frac{4}{8}x+1  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 (x22+x3)(x22x3)=\left(\frac{x^2}{2}+\frac{x}{3}\right)\left(\frac{x^2}{2}-\frac{x}{3}\right)=  

 x24x9\frac{x^2}{4}-\frac{x}{9}  

 x44x26\frac{x^4}{4}-\frac{x^2}{6}  

 x42x36+x29\frac{x^4}{2}-\frac{x^3}{6}+\frac{x^2}{9}  

 x44x29\frac{x^4}{4}-\frac{x^2}{9}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

  (x+12)(x12)=(x+\frac{1}{2})(x-\frac{1}{2})=  

 x2+14x^2+\frac{1}{4}  

 x214x^2-\frac{1}{4}  

 x24x^2-4  

 (x+12)2(x+\frac{1}{2})^2  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 a49a24=\frac{a^4}{9}-\frac{a^2}{4}=  

 (a23a2)(a23+a2)\left(\frac{a^2}{3}-\frac{a}{2}\right)\left(\frac{a^2}{3}+\frac{a}{2}\right)  

 (a23a2)2\left(\frac{a^2}{3}-\frac{a}{2}\right)^2  

 (a23+a2)2\left(\frac{a^2}{3}+\frac{a}{2}\right)^2  

Access all questions and much more by creating a free account

Create resources

Host any resource

Get auto-graded reports

Google

Continue with Google

Email

Continue with Email

Classlink

Continue with Classlink

Clever

Continue with Clever

or continue with

Microsoft

Microsoft

Apple

Apple

Others

Others

Already have an account?