Forward Exam Review

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the frequency or value of different categories.

Front

How do you find the opposite of a number?

Back

The opposite of a number is found by changing its sign. For example, the opposite of 5 is -5.

Front

Back

Front

What is a constant in an algebraic expression?

Back

A constant is a term in an algebraic expression that does not contain any variables. For example, in the expression 7x^2 + 8x + 9, the constant is 9.

Front

How do you add decimal numbers?

Back

To add decimal numbers, align the decimal points and add as you would with whole numbers, carrying over if necessary.

Front

What is the value of 0 in mathematics?

Back

0 is known as the additive identity because adding 0 to any number does not change the value of that number.

Front

What is the purpose of a bar graph?

Back

A bar graph is used to compare different categories of data visually, making it easier to see trends and differences.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form, combining like terms and eliminating unnecessary parts.

Front

What is the sum of 148.093 and 5.675?

Back

The sum is 153.768.

Front

What are like terms in algebra?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.