He Discovered That the Orbits of Planets Are Ellipses

question 3

Multiple Choice

He discovered that the orbits of planets are ellipses.

• A)Tycho Brahe
• B)Kepler
• C)Copernicus
• D)Ptolemy
• E)Galileo

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Definitions:

Risk-Free Rate

The expected profit from an investment that carries no risk of losing money, frequently depicted through the interest rate of government bonds.

Market Portfolio

A theoretical bundle of all possible investments in the market, combined in such a way as to maximize the expected return for a given level of risk.

Beta

A measure of a security's volatility in relation to the overall market.

P/E Ratio

The price-to-earnings ratio is a valuation measure comparing the current share price of a company to its per-share earnings.