Mrs Biondo's Pre-Algebra Midterm Review Practice

Front

What is the definition of a constant ratio?

Back

A constant ratio is a relationship between two quantities that remains the same regardless of the values of those quantities.

Front

What does it mean if there is no constant ratio?

Back

It means that the relationship between the two quantities changes as the values of the quantities change.

Front

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

Back

Perimeter = 2(length + width)

Front

If a rectangle has a length of 30 feet and a width of 20 feet, what is its perimeter?

Back

Perimeter = 2(30 + 20) = 2(50) = 100 feet.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is the difference between positive and negative integers?

Back

Positive integers are greater than zero, while negative integers are less than zero.

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the absolute value of -65?

Back

The absolute value of -65 is 65.

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol used to represent an unknown value in mathematical expressions or equations.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.