Final Review Part 1

Front

What is the result of simplifying the expression: 3 - 2a + 3a + 5a?

Back

The result is 6a + 3.

Front

How do you calculate the temperature difference between two cities with temperatures of 105 degrees and -15 degrees?

Back

The temperature difference is 125 degrees.

Front

If a plane is flying at 26,294 feet and decreases its altitude by 7,395 feet, what is its new altitude?

Back

The new altitude is 18,899 feet.

Front

Expand the expression: -\frac{1}{3}(-18x + 9y). What is the equivalent expression?

Back

The equivalent expression is 6x - 3y.

Front

What is the additive inverse of 6 - 3?

Back

The additive inverse is 6 + (-3).

Front

Define the term 'additive inverse'.

Back

The additive inverse of a number is the number that, when added to the original number, results in zero.

Front

What is the formula for finding the difference between two numbers?

Back

The formula is |a - b|, where a and b are the two numbers.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is the process of expanding an expression?

Back

Expanding an expression involves distributing multiplication over addition or subtraction.

Front

What is the significance of altitude in aviation?

Back

Altitude is the height of an aircraft above a reference point, usually above sea level, and is crucial for safety and navigation.