Topic 3 Retest

Front

What is the formula for the perimeter of a rectangle?

Back

The perimeter (P) of a rectangle is given by the formula: P = 2l + 2w, where l is the length and w is the width.

Front

How do you evaluate the perimeter using substitution?

Back

To evaluate the perimeter using substitution, replace the variables in the formula with their given values and perform the calculations.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two numbers is the smallest multiple that is evenly divisible by both numbers.

Front

How do you find the LCM of two numbers?

Back

To find the LCM, list the multiples of each number and identify the smallest common multiple.

Front

What is the expression for calculating total cost based on daily rental and mileage?

Back

The total cost can be calculated using the expression: Total Cost = 50d + 0.35m, where d is the number of days and m is the number of miles.

Front

How do you evaluate a numerical expression with multiple operations?

Back

Follow the order of operations (PEMDAS/BODMAS): Parentheses/Brackets, Exponents/Orders, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

Back

The expression evaluates to 120.

Front

How do you split costs among a group?

Back

To split costs, add the total expenses and divide by the number of people sharing the cost.

Front

What is the algebraic expression for cost per person when sharing expenses?

Back

Front

What is substitution in algebra?

Back

Substitution in algebra is the process of replacing a variable with a specific value to evaluate an expression.