
AV I - 9° Ano - 2°T
Authored by RONALDO OLIVEIRA
Mathematics
9th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual é a opção que fornece a área do polígono abaixo na forma fatorada?
6x + ay
a.(y + 6 + x)
(a + x). ( y + 6)
(6 + x).(y + a)
(6 + a).(y + x)
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Qual a forma fatorada para: 12b + ab + 12c + ac?
12b . ac
12b.(a + c)
(12 + a).(b + c)
(12 + c).(a + b)
(6 + c).(2a + b)
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O polinômio cuja fatoração é (x + y)(a + b) é:
x² + 2xy + 2xy + b²
xa + xb + yb + ya
xa² + yb² + xa + xb
ax² + 2xy +2yb + b²
ax² + 2xy + yb + b²
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Verifique quais dos trinômios dados abaixo são quadrados perfeitos:
3x² - 7x + 49
x² - 4x + 9
x² - 8x + 16
16x² - 4x + 1
4x² - 4x + 4
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Escreva a área do polígono abaixo na forma de trinômio quadrado perfeito:
(a + b)²
(a + b)(a – b)
a² + ab + b²
a² + 2ab + b²
a² + 2ab + b
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Verifique se 16 + 8x + x² é um trinômio quadrado perfeito e, assinale a opção que fornece o 1º e o 2º termo:
16 e x
4 e x
–4 e x
8 e x²
8 e x
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
A expressão 100 + 80b + 16b² pode ser reescrita como
(10 – 4b)²
(10 + 4b)²
14b²
-14b²
(50 + 8b)²
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