The Graph of the Equation Is a Circle $7 x^{2}+7 y^{2}=49$

question 44

Multiple Choice

The graph of the equation is a circle. Find the center and the radius, and then graph the circle.
- $7 x^{2}+7 y^{2}=49$

• A) center \(( 0,0 )\); radius \(= 1\)
• B) center \(( 7,7 )\); radius \(= \sqrt { 7 }\)
• C) center \(( 0,0 )\); radius \(= 7\)
• D) center \(( 0,0 )\); radius \(= \sqrt { 7 }\)

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Definitions:

Corporate Profits

The surplus income of a corporation after all expenses, including salaries and taxes, have been deducted.

Income Share

The proportion of total income earned by a specific group, often used in discussions of income inequality.

Normal Profit

The minimum level of profit necessary for a company to remain competitive in the market, essentially covering opportunity costs.

Economic Profit

Profits calculated after considering both explicit costs, like materials and labor, and implicit costs, like opportunity costs, differentiating it from accounting profits.