Solve by Using the Quadratic Formula $$z ^ { 2 } = 8 z + 36$$

question 8

Multiple Choice

Solve by using the quadratic formula: $$z ^ { 2 } = 8 z + 36$$

• A) \(4 - 2 \sqrt { 13 } , 4 + 2 \sqrt { 13 }\)
• B) \(- 4 - 14 \sqrt { 13 } , - 4 + 14 \sqrt { 13 }\)
• C) \(- 2 \sqrt { 13 } , 2 \sqrt { 13 }\)
• D) \(4 - 14 \sqrt { 13 } , - 4 + 3 \sqrt { 13 }\)
• E) \(- 4 + 2 \sqrt { 13 } , - 4 - 2 \sqrt { 13 }\)

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Definitions:

Double-declining-balance

An accelerated depreciation method that calculates depreciation at twice the rate of the straight-line method.

Salvage Value

The assessed end-of-life residual value of an asset at the point of its usefulness completion.

Book Value

Book Value is the value of an asset according to its balance sheet account balance, taking into account the cost of the asset less any depreciation, amortization, or impairment costs.

Plant Assets

Long-term tangible assets used in the production and distribution of goods and services, such as buildings and machinery.