A Solar Oven Uses a Parabolic Reflector to Focus the Sun's

question 78

Multiple Choice

A solar oven uses a parabolic reflector to focus the sun's rays at a point 5 inches from the vertex of the reflector (see figure) .Write an equation for a cross section of the oven's reflector with its focus on the positive y axis and its vertex at the origin. L = 5 inches

• A) \(y = 5 x ^ { 2 }\)
• B) \(x ^ { 2 } = 5 y\)
• C) \(y = 20 x ^ { 2 }\)
• D) \(x ^ { 2 } = 20 y\)
• E)​ \(y = \frac { 1 } { 5 } x ^ { 2 }\)

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Definitions:

Mechanic's Lien

A legal claim against a property for unpaid construction work or supplies, giving the claimant a right to secure payment.

Personal Property

Movable assets owned by an individual or entity, as opposed to real property like land or buildings.

Real Property

Legal term describing land and anything permanently attached to it, such as buildings.

Mortgagee

The lender in a mortgage loan agreement, typically a bank or financial institution.