Let S Be the Quadric Surface Given By $x ^ { 2 } + 2 y ^ { 2 } + 2 x - z = 0$

question 64

Short Answer

Let S be the quadric surface given by $x ^ { 2 } + 2 y ^ { 2 } + 2 x - z = 0$ . What kind of surface is S?

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Definitions:

Symbolic Function

Piaget’s term for ability to use mental representations (words, numbers, or images) to which a child has attached meaning.

Pretend Play

A form of play among children where they use their imagination to create scenarios, roles, and activities.

Object Permanence

Piaget’s term for the understanding that a person or object still exists when out of sight.

Centration

In Piaget’s theory, the tendency of preoperational children to focus on one aspect of a situation and neglect others.