
Examen Final de Física
Authored by Sabrina Ochoa
Physics
8th Grade
Used 2+ times

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19 questions
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1.
OPEN ENDED QUESTION
15 mins • 1 pt
Resuelve: x2 + 7x + 12 = 0
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2.
OPEN ENDED QUESTION
15 mins • 1 pt
Factoriza y resuelve: 3x2 - 2x - 1 = 0
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3.
OPEN ENDED QUESTION
15 mins • 1 pt
Halla las raíces de: x2 = 5x
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4.
OPEN ENDED QUESTION
15 mins • 1 pt
El área de un rectángulo es x2 + 8x + 15 y el largo es x + 3. ¿Cuál es el ancho?
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5.
OPEN ENDED QUESTION
15 mins • 1 pt
Una barra de 2 m se calienta de 20 °C a 70 °C. Si α = 1.1 × 10−5, ¿cuánto se alarga?
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6.
OPEN ENDED QUESTION
15 mins • 1 pt
Una pieza de 1.5 m se acorta 1.8 mm al bajar 60 °C. ¿Cuál es su coeficiente de dilatación?
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7.
DRAW QUESTION
15 mins • 1 pt
Una varilla se alarga 2.5 mm con ΔT = 50 °C. Su longitud era 2.1 m. Calcula α

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