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Mathematics
8th -
University
Direct and Inverse Variation 11.14.18 - Scaffold
14 questions
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- 1. Multiple ChoiceIs the given table a direct variation? If so, what is the constant of proportionality?Yes; 1/4Yes; 4Yes; 1/2No
- 2. Multiple ChoiceIs this a direct variation?
y=2xyesno - 3. Multiple Choicey varies directly with x, and y is 16 when x is 32. Which equation represents this situation?y=32xy=16xy=2xy=(1/2)x
- 4. Multiple ChoiceWhich of the following represents indirect variation?y = kxy = k/xy = x/ky = mx + b
- 5. Multiple ChoiceWhich of the following represents direct variation?y = kxy = k/xy = x/ky = mx + b
- 6. Multiple ChoiceAssume y varies inversely with x. If x=7 when y=4, what is y when x=2 ?414728
- 7. Multiple ChoiceWhat is the constant (k) in this inverse variation?
y = 400/xxy400Not enough information given - 8. Multiple ChoiceWhich of the given graphs is a direct variation?ABCD
- 9. Multiple ChoiceWrite the equation for the table given.y = 1/3xy = 3xy = 1/2x
- 10. Multiple ChoiceIs this a direct variation?
y=12x + 4yesno - 11. Multiple ChoiceWhat type of slope?undefinedpositive slopenegative slopezero slope
- 12. Multiple ChoiceTrue or False:
An inverse variation is always a curve and a direct variation is always a line?TrueFalse - 13. Multiple ChoiceThe amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?$2$308$1.57$265
- 14. Multiple ChoiceDetermine the type of variation:DirectInverseNeither
- Answer choicesTagsAnswer choicesTags