EQUAÇÃO DO 2 GRAU
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Rosinaldo cardoso
Used 16+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
QUAL É O NÚMERO CUJO QUADRADO DIMINUÍDO DE TRINTA E SEIS RESULTA ZERO?
-6
+6
-6 OU +6
+36
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
QUAL É O NÚMERO CUJO DOBRO DO SEU QUADRADO DIMINUÍDO DE DEZOITO RESULTA ZERO?
-9 OU +9
-3 OU +3
-18 OU +18
-6 OU +6
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
UM NÚMERO CUJO QUADRADO DIMINUÍDO DE CEM RESULTA ZERO?
-2 OU +2
-5 OU +5
-6 OU +6
-10 OU +10
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Quais das equações do 2º grau a seguir, são incompletas? (forma reduzida)
x² - 7x + 10 = 0
4x² - 4x + 1 = 0
– x² – 7x = 0
x² - 16 = 0
x² + 2x + 7= 2x + 7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1. Qual das seguintes equações é do segundo grau?
2 x + 5 = x
8 − 3x + x² = 0
3x³ - x + 8 =0
0x² + 3x − 7 = 0
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Qual é o resultado de a+b?
2
5
- 1
421
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A expressão que representa a área do retângulo é
x² - 3x + 2
x² -2
x²+2
x²+3x-2
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A equação reduzida do 2º grau corresponde a:
3x²-11x-4=0
x²-5x-4=0
13x²-4=0
2x²-8x-4=0
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