Solve the Radical Equation, and Check All Proposed Solutions $$10 x ^ { 3 } + 70 x ^ { 2 } + 120 x = 0$$

question 63

Multiple Choice

Solve the radical equation, and check all proposed solutions.
- $$10 x ^ { 3 } + 70 x ^ { 2 } + 120 x = 0$$

• A) \(\{ 0 , - 4 , - 3 \}\)
• B) \(\{ - 4 , - 3 \}\)
• C) \(\{ 0,4,3 \}\)
• D) \(\left\{ - \frac { 1 } { 4 } , - 3 \right\}\)

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Definitions:

Discount Rate

This interest rate is used in the framework of discounted cash flow analysis to determine the present worth of cash flows anticipated in times ahead.

Simple Rate of Return

A financial metric that measures the efficiency of an investment as the annual income divided by the initial investment cost.

Time Value of Money

The principle that a sum of money is worth more now than the same sum in the future due to its potential earning capacity.