If a Virtual Image Is Formed 15

question 26

Multiple Choice

If a virtual image is formed 15.0 cm along the principal axis from a convex mirror of focal length -20.0 cm,how far is the object from the mirror?

• A) 60.0 cm
• B) 15.0 cm
• C) 5.00 cm
• D) 20.0 cm
• E) ​7.00 cm

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Definitions:

System of Equations

A set of two or more equations with the same variables, which are solved together.

Method of Substitution

A method involving the resolution of equation systems through isolating a variable in one equation and then inserting that solution into another equation.

System of Equations

A set of equations with the same variables, where the solution must satisfy all equations simultaneously.

Hyperbola

A type of smooth curve lying in a plane, consisting of two branches, which are mirror images of each other, and which open away from each other.