$\left\{\begin{array}{rr}6 x+y= & 0 \\-6 x+y= & -12\end{array}\right.$ A) $( - 1 , - 6 )$

question 20

Multiple Choice

$\left\{\begin{array}{rr}6 x+y= & 0 \\-6 x+y= & -12\end{array}\right.$

• A) \(( - 1 , - 6 )\)
• B) \(( 1,12 )\)
• C) \(( - 1,6 )\)
• D) \(( 1 , - 6 )\)

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Definitions:

Loudness

A perceptual attribute of sounds that is primarily a physiological correlate of sound pressure level, measured in decibels.

Pitch

The perception of how high or low a sound is, depending on the frequency of the sound wave.

Hertz

The unit of frequency in the International System of Units (SI), equating to one cycle per second.

Auditory Neuron

a nerve cell that is involved in the process of hearing, transmitting auditory signals from the ear to the brain.