Final Review Part 1

Front

Simplify the expression: 12 - 2x + 3 + 8x.

Back

15 + 6x or 6x + 15

Front

What is the distance between a group of hikers at 1,803 feet and a squid swimming 300 feet below sea level?

Back

2,103 feet

Front

Simplify the expression: -(-x + 2) - 4x.

Back

-3x - 2

Front

What is the difference in scores between a football team with 42 points and another with 21 points?

Back

21 points

Front

If Tim had $362, spent $54, and then deposited $82, how much does he have now?

Back

$390

Front

What is the formula for simplifying expressions with like terms?

Back

Combine like terms by adding or subtracting their coefficients.

Front

Define 'elevation' in the context of geography.

Back

Elevation refers to the height of a point above sea level.

Front

What does it mean to simplify an expression in mathematics?

Back

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

Front

What is the concept of absolute value?

Back

Absolute value is the distance of a number from zero on the number line, always expressed as a positive value.

Front

Explain the term 'difference' in mathematics.

Back

The difference is the result of subtracting one number from another.