Topic 3 Test

Front

What is the total cost formula for renting a cargo van if the daily fee is $50 and the cost per mile is $0.35?

Back

Total Cost = 50 + 0.35m, where m is the number of miles driven.

Front

Define 'terms' in an algebraic expression.

Back

Terms are the individual parts of an expression separated by '+' or '-' signs.

Front

What are coefficients in an algebraic expression?

Back

Coefficients are the numerical factors that multiply the variables in the terms of an expression.

Front

Identify the constants in the expression: 6g + 8 - 3g - 2.

Back

The constants are 8 and -2.

Front

What are like terms in an expression?

Back

Like terms are terms that have the same variable raised to the same power.

Front

How do you combine like terms in an expression?

Back

You add or subtract the coefficients of the like terms while keeping the variable part the same.

Front

What is the simplified form of the expression: 6g + 8 - 3g - 2?

Back

The simplified form is 3g + 6.

Front

What is the difference between a variable and a constant in algebra?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value.

Front

Explain the concept of an expression in mathematics.

Back

An expression is a combination of numbers, variables, and operators (like +, -, *, /) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with specific numbers.