Expressions Review

Front

What is the formula for finding the perimeter of a rectangle?

Back

Perimeter = 2(length + width)

Front

If x = 2, what is the perimeter of a rectangle with length 10 and width 6?

Back

32 units

Front

What does the expression x^2 - 2x represent?

Back

A quadratic expression that can be evaluated for different values of x.

Front

If x = 4, what is the value of x^2 - 2x?

Back

8

Front

What is the least common multiple (LCM) of 12 and 18?

Back

36

Front

If every 12th student receives a water bottle and every 18th student receives candy, which student gets both?

Back

The 36th student.

Front

How do you find the LCM of two numbers?

Back

List the multiples of each number and find the smallest common multiple.

Front

What is the formula for evaluating an expression with variables?

Back

Substitute the values of the variables into the expression and simplify.

Front

Evaluate the expression ng - 5n for g = 6 and n = 3.

Back

3

Front

What is the relationship between the frequency of menu items in a cafeteria and LCM?

Back

The LCM determines how often two items will be available on the same day.