Inverse Variation and Graphing Rational Equations—Graded Assignment

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___________________ Algebra 2B - Unit 5 – Lesson 1 Rational
Functions



Inverse Variation and Graphs of Rational Functions
Graded Assignment


1. The weight M of an object on Mars varies directly with the weight E of an object on Earth. A
40 pound object on Mars weighs 100 pounds on Earth.
a) Set up an equation and find




b)




c)




d) the constant of variation, k. (5 points)




e) Write an equation that models this situation. (2 points)




f) If a bowling ball weighs 16 pounds on Mars, how much does the bowling ball weigh
onEarth? (3 points)


g) If a bowling ball weighs 12 pounds on Earth how much does the bowling ball weigh
onMars? (3 points)



2. The amount of illumination, E, of a light bulb varies inversely as the distance squared, d2 from
the light bulb. The illumination of the bulb is 29.388 lux when you are 2.1 meters away. a)
Find the constant of variation. (5 points)




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