
Valor numérico
Flashcard
•
Mathematics
•
12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
¿Qué es el valor numérico de una expresión matemática?
Back
El valor numérico de una expresión matemática es el resultado que se obtiene al sustituir las variables por números específicos y realizar las operaciones indicadas.
2.
FLASHCARD QUESTION
Front
¿Cómo se calcula el valor numérico de la expresión t + 12 cuando t = 3?
Back
Sustituyendo t por 3: 3 + 12 = 15.
3.
FLASHCARD QUESTION
Front
Si F(x+1) = F(x) + 1 y F(3) = 8, ¿cuál es F(5)?
Back
F(5) = F(4) + 1; F(4) = F(3) + 1 = 8 + 1 = 9; F(5) = 9 + 1 = 10.
4.
FLASHCARD QUESTION
Front
Calcula el valor numérico de la expresión -3X² + 2 cuando X = 3.
Back
Sustituyendo X por 3: -3(3)² + 2 = -27 + 2 = -25.
5.
FLASHCARD QUESTION
Front
¿Qué es una expresión polinómica?
Back
Una expresión polinómica es una suma de términos, donde cada término es un producto de un número (coeficiente) y una variable elevada a una potencia entera no negativa.
6.
FLASHCARD QUESTION
Front
Calcula el valor numérico de la expresión 2x⁵ - 4x³ + 5x - 6 para X = 1.
Back
Sustituyendo X por 1: 2(1)⁵ - 4(1)³ + 5(1) - 6 = 2 - 4 + 5 - 6 = -3.
7.
FLASHCARD QUESTION
Front
Calcula el valor numérico de la expresión -4X + 2Y cuando X = -5 y Y = 2.
Back
Sustituyendo X por -5 y Y por 2: -4(-5) + 2(2) = 20 + 4 = 24.
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