DIRECT VARIATION

QuizÂ by okeke abraham

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10 questions

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- Q1Which graph shows a proportional relationship between x and y?CBDA30s
- Q2Write an equation for this relationshipy = 4xyy = 1/8xyy = 1/3Xy = 1/4x30s
- Q3In a direct variation, y = 39 when x = 3. Find the value of y when x = 2.135262130s
- Q4Is the given table a direct variation? If so, what is the constant?Yes; 4Yes; 2NOYes; 1/430s
- Q5y varies directly with x. When y = 39, x = 3. Find the value of y when x = 2.84122630s
- Q6Is this a direct variation? y = 2xYESNO30s
- Q7Write the equation for the table given.y = 5xy = 3xy = 6xy = 4x30s
- Q8What ordered pair does a direct variation always go through when graphed? What ordered pair does a direct variation always go through when graphed?(0,1)(0,0)(1,0)(1,1)30s
- Q9The number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?6 painters9 painters7 painters12 painters30s
- Q10The gas pressure in a chamber varies directly with the temperature in the chamber. If the pressure in the chamber is 150 atmospheres (atm) when the chamber is at 50 degrees, what is the pressure in the chamber when the temperature of the chamber is 75 degrees?265 atm500 atm225 atm222 atm30s