OpenStax, Elementary Algebra 2e §8.9 Use Direct and Inverse Variation · Try It 8 · Algebra · Rational expressions
Use Direct and Inverse Variation · Try It 8
The area of a circle varies directly as the square of the radius. A circular pizza with a radius of 6 inches has an area of 113.04 square inches.
ⓐ Write the equation that relates the area to the radius.
ⓑ What is the area of a pizza with a radius of 9 inches?
OpenStax, Elementary Algebra 2e · §8.9 Use Direct and Inverse Variation · Try It 8
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