Tell Whether a Linear Model or a Quadratic Model Is $x ^ { 2 }$

question 35

Multiple Choice

Tell whether a linear model or a quadratic model is appropriate for the data. If linear, tell whether the slope should be positive or negative. If quadratic, decide whether the leading coefficient a of $x ^ { 2 }$ should be positive or negative.
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• A) linear; positive
• B) linear; negative
• C) quadratic; negative
• D) quadratic; positive

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Definitions:

Articulates

Describes bones or cartilage that connect to form joints allowing for movement.

Humerus

The long bone in the upper arm, connecting the shoulder to the elbow.

Articulates

Refers to the way two bone surfaces move against each other at a joint.

Clavicle

A long bone that serves as a strut between the shoulder blade and the sternum, also known as the collarbone.