
Trinômios e Quadrados Perfeitos
Authored by Nilson Fritzen
Mathematics
9th Grade

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verifique quais dos trinômios dados abaixo são quadrados perfeitos:
3x² - 7x + 49
x² - 4x + 9
x² - 8x + 16
16x² - 4x + 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fatore corretamente a equação abaixo, sabendo-se que se trata de um trinômio quadrado perfeito e encontre o seu conjunto solução.
(x - 4)² = 0; Solução: {4}
(x - 2)² = 0; Solução: {2}
(x - 3)² = 0; Solução: {3}
(x - 5)² = 0; Solução: {5}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a solução da equação (25x^2 - 10x + 1 = 0)?
S = {5}
S = {-1/5}
S = {-5}
S = {1/5}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a raiz quadrada do termo (25x^2)?
25x
5x
x
10x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o valor de x quando (5x - 1 = 0)?
x = 5
x = -5
x = 1/5
x = -1/5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o produto do segundo termo (2 * 5x * 1)?
5x
10x
2x
25x
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