The Temperature at the Bottom of Lake Tahoe, High in the Sierra

question 39

Multiple Choice

The temperature at the bottom of Lake Tahoe, high in the Sierra Mountains in California, at this moment is

• A)below 4°C.
• B)exactly 4°C.
• C)above 4°C.
• D)uncertain.

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Definitions:

Evaluate

To calculate the numerical value of an expression, equation, or function when certain values are known or substituted for variables.

Simplify

To reduce a mathematical expression to its simplest form by performing operations and combining like terms.

Evaluate

The process of calculating the value of an expression.

Simplify

To simplify an expression means to reduce it to its simplest form, by performing all possible operations and combining like terms.