Polinómios

Polinómios

1st Grade

10 Qs

quiz-placeholder

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Polinómios

Polinómios

Assessment

Quiz

Mathematics

1st Grade

Hard

Created by

Eugénia Pinheiro

Used 142+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image


Qual das expressões seguintes representa a área do losango [ABCD]?
Nota:  Alosango=D×d2Alosango=\frac{D\times d}{2}  

 x28x+16x^2-8x+16  

 x216x^2-16  

 x2162\frac{x^2-16}{2}  

 x28x+162\frac{x^2-8x+16}{2}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual dos seguintes polinómios é igual a (x3)2x2\left(x-3\right)^2-x^2  :

-9

9

 6x9-6x-9  

 6x+9-6x+9  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual das expressões seguintes é igual a  3x2(2x+1)3x^2\left(-2x+1\right)  

 6x3+3x26x^3+3x^2 

 6x3+3x2-6x^3+3x^2 

 6x33x26x^3-3x^2 

 6x33x2-6x^3-3x^2 

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Qual das seguintes expressões representa a área da região sombreada?

2x224x+362x^2-24x+36

2x212x+362x^2-12x+36

4x224x+364x^2-24x+36

4x212x+364x^2-12x+36

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual das expressões seguintes é equivalente a  (x2)2 +6x?\left(x-2\right)^2\ +6x?    

 x2+2x+4x^2+2x+4  

 x2+6x+4x^2+6x+4  

 x2+10x4x^2+10x-4  

 x2+6x4x^2+6x-4  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image


Qual das expressões seguintes representa a área do trapézio?
Nota:  Atrapeˊzio=(B+b)2×aAtrapézio=\frac{\left(B+b\right)}{2}\times a  

 21x+12\frac{21x+1}{2}  

 7x+42\frac{7x+4}{2}  

 7x+37x+3  

 21x+32\frac{21x+3}{2}  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (x7)2\left(x-7\right)^2  é equivalente a:

 x249x^2-49  

 x2+14x+49x^2+14x+49  

 x214x+49x^2-14x+49  

 x214x+14x^2-14x+14  

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