Find the Zeros of the Quadratic Function by Completing the Square

question 139

Multiple Choice

Find the zeros of the quadratic function by completing the square. List the x-intercepts of the graph of the function.
- $$f ( x ) = x ^ { 2 } - \frac { 2 } { 5 } x - \frac { 8 } { 25 }$$

• A) \(x = - \frac { 4 } { 5 } , x = - \frac { 2 } { 5 }\)
• B) \(x = \frac { 4 } { 5 } , x = \frac { 2 } { 5 }\)
• C) \(x = - \frac { 4 } { 5 } , x = \frac { 2 } { 5 }\)
• D) \(x = \frac { 4 } { 5 } , x = - \frac { 2 } { 5 }\)

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Definitions:

Payback Period

The amount of time it takes for an investment to generate cash flows sufficient to recoup the initial investment cost.

Straight-Line Depreciation

Straight-Line Depreciation is a method of allocating the cost of a tangible asset over its useful life in equal annual amounts, reflecting a constant rate of depreciation.

Net Present Value

A financial metric that calculates the value of projected cash flows, adjusted for the time value of money, to determine the profitability of an investment.

Capital Budgeting

The process of analyzing and selecting various proposals for capital expenditures to determine their value and impact on the organization's financial performance.