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

question 175

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) quadratic; negative
• B) linear; negative
• C) linear; positive
• D) quadratic; positive

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Definitions:

Collarbone

A long, flat bone located horizontally across the upper part of the chest in humans and some animals, also known as the clavicle, serving as a strut between the shoulder blade and the sternum.

Sternum

A long flat bone located in the center of the chest, connecting the ribs together and providing support.

Scapula

A flat, triangular bone located in the upper back on each side of the body, commonly known as the shoulder blade.

Tarsal Bone

One of the seven bones that make up the ankle and back part of the foot.