Solve the Equation Using the Quadratic Formula $3 x ^ { 2 } + x - 5 = 0$

question 103

Multiple Choice

Solve the equation using the quadratic formula. $3 x ^ { 2 } + x - 5 = 0$ Round your answer to three significant digits.

• A) x₁ = 0.11, x₂ = - 0.15
• B) x₁ = 1.14, x₂ = - 1.47
• C) x₁ = 1.03, x₂ = - 1.58
• D) x₁ = 1.15, x₂ = - 1.46
• E) x₁ = 1.25, x₂ = - 1.36

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Definitions:

Frequency

The number of occurrences of a repeating event per unit of time, often measured in cycles per second or Hertz.

Cochlea

A spiral-shaped, fluid-filled inner ear structure responsible for converting sound waves into nerve impulses that are interpreted by the brain as sound.

Eardrum

A thin membrane that separates the outer ear from the middle ear, vibrating in response to sound waves and initiating the process of hearing.

Cochlea

A spiral-shaped, fluid-filled organ in the inner ear responsible for converting sound vibrations into nerve signals for hearing.