
Circunferência
Authored by DANIEL CORDEIRO
Mathematics
3rd Grade
Used 30+ times

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11 questions
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1.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
Qual a equação reduzida da circunferência
(x-3) ² + (y-2) ² = 4
(x-2) ² + (y-3) ² = 2
(x-9) ² + (y-4) ² = 5
(x-9) ² + (y-4) ² = √2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Num plano cartesiano, a circunferência(x + 2)² + (y + 2)² = 2
está toda contida no segundo quadrante.
está toda contida no terceiro quadrante
contém um ponto do eixo Ox
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Quais as coordenadas do centro da circunferência x² + y² - 4x + 6y -12 = 0?
(3; 2)
(2; -3)
(4; 6)
(-4; 6)
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Emilainy comprou uma tigela. O diâmetro da tigela é 14 cm. Qual o comprimento da Circunferência da tigela?
28 cm
43.98 cm
87.96 cm
7 cm
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Uma circunferência pode ser dininida como como...
Todos os pontos que estão a uma mesma distância de outro ponto.
Linha curva ao redor de uma curva
Todos os pontos que rodeiam um ponto
Uma área e um perîmetro
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual a equação da circunferência com centro no ponto (-7,-11) e contem o ponto (0,-10)
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Qual é a equação da circunferência no gráfico abaixo?
(x+1)2 + (y +1)2 = 3
(x+1)2 + (y -1)2 = 3
(x+1)2 + (y +1)2 = 9
(x-1)2 + (y -1)2 = 9
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