Determine the Values of a and B That Satisfy the Equation

question 29

Multiple Choice

Determine the values of a and b that satisfy the equation. $$\sqrt { - 81 } - 7 = a + b i$$

• A) \(a = 14 ; b = 18\)
• B) \(a = 49 ; b = - 9\)
• C) \(a = 81 ; b = - 7\)
• D) \(a = - 9 ; b = 7\)
• E) \(a = - 7 ; b = 9\)

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Definitions:

Gear Box

A casing containing the gears in a mechanical system, facilitating the transmission of power and allowing for speed/torque changes.

Center Link

A steering system component that connects the steering arms to the tie rods, enabling the wheels to turn.

Pitman Arm

A component in the steering system of a vehicle that connects the steering box to the steering linkage, converting rotational motion into linear motion.

Wheel Bearings

These are circular metal components containing small metal balls or rollers, which allow the wheel to rotate smoothly on the vehicle's axle.