¿Que es la fórmula cuadrática?

MATEMÁTICAS 10 MO GRADO INSTITUTO NACIONAL DE SEGOVIA LEONARDO MATUTE

Quiz
•
Others
•
10th Grade
•
Hard
Julio González González
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x = (-b ± √(b² - 4ac)) / (2a)
x = (2a ± b) / √(b² - 4ac)
x = (b ± 4ac) / (2b)
x = (b ± √(b² + 4ac)) / (2a)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuándo un triangulo es rectángulo?
90°
180°
56°
270°
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el valor de π (pi) con dos decimales?
3.14
3.13
3.15
3.10
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcular el área de un triángulo con base de 10 y altura de 5.
15
30
20
25
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la suma de los ángulos interiores de un triángulo?
180°
120°
360°
90°
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿cual es la fórmula del teorema de pitágoras?
a² - b² = c²
a² + b² = c².
a² + b² + c².
a + b = c.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule el área del ∆ ABC utilizando trigonometría en: b=4, c=8,θA=30°
A=8
A=16
A=12
A=10
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