The Parabola · Try It 6
Balcony-sized solar cookers have been designed for families living in India. The top of a dish has a diameter of 1600 mm. The sun’s rays reflect off the parabolic mirror toward the “cooker,” which is placed 320 mm from the base.
ⓐ Find an equation that models a cross-section of the solar cooker. Assume that the vertex of the parabolic mirror is the origin of the coordinate plane, and that the parabola opens to the right (i.e., has the x-axis as its axis of symmetry).
ⓑ Use the equation found in part ⓐ to find the depth of the cooker.
OpenStax, Algebra and Trigonometry 2e · §12.3 The Parabola · Try It 6
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