
Functions CFA
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Mathematics
8th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenny removes the plug from a bathtub holding about 200 liters of water. The faucet is off, and the water begins draining at a constant rate. After 2.5 minutes, she puts the plug back for about 1 minute. Then, Jenny removes the plug again. The water starts draining again and it takes about 1.5 minutes to empty the tub. Which graph represents the water in the tub over time as Jenny drains it?
Jenny quita el tapón de una bañera que contiene unos 200 litros de agua. El grifo está cerrado y el agua comienza a drenar a un ritmo constante. tasa. Después de 2,5 minutos, vuelve a enchufarlo durante aproximadamente 1 minuto. Luego, Jenny vuelve a quitar el enchufe. El agua comienza a drenar nuevamente y se tarda aproximadamente 1,5 minutos en vaciar la tina. ¿Qué gráfica representa el agua en la tina a lo largo del tiempo a medida que Jenny la drena?
Tags
CCSS.HSF-IF.C.7B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which graph represents a decreasing linear function?
¿Qué gráfica representa una función lineal decreciente?
Tags
CCSS.8.F.B.4
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The table shows the cost for renting a canoe, based on the number of hours of rental. The pairs of values in the rows of table form a linear function. What is the meaning of the rate of change for the function?
La tabla muestra el costo de alquilar una canoa,según la cantidad de horas de alquiler. Los pares de valores en las filas de la tabla forman una función lineal. ¿Cuál es elsignificado de la tasa de cambio de la función?
The price per hour for the rental is $2.
El precio por hora del alquiler es de 2$.
The base charge is $2.
El cargo base es de $2.
The price per hour for the rental is $7.
El precio por hora del alquiler es de 7$.
The base charge is $5.
El cargo base es de $5.
Tags
CCSS.HSF.IF.B.4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which table of values can be represented by the function y=x+4
¿Qué tabla de valoresse puede representar con la función y=x+4?
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which graph is y NOT a function of x?
¿En qué gráfica y NO esfunción de x?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of following is the graph of a function of x?
¿Cuál de lassiguientes esla gráfica de una función de x?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Andy rapidly pedaled his bike to reach a certain speed, then continued at that speed. He rapidly pedaled again, then quickly pressed on his brakes to come to a stop. Which graph BEST represents Andy's ride?
Andy pedaleó rápidamente en su bicicleta para alcanzar cierta velocidad y luego continuó a esa velocidad. Pedaleó rápidamente de nuevo, luego rápidamente presionó losfrenos para detenerse. ¿Qué gráfico representa MEJOR el viaje de Andy?
Tags
CCSS.HSF.IF.B.4
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