Unit 4 Honors Review

Front

What is an equivalent expression?

Back

An equivalent expression is a mathematical expression that has the same value as another expression, even if it looks different.

Front

Simplify the expression: 25 + 9x - 14 - 2x + 3

Back

14 + 7x

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting numbers for variables.

Front

Evaluate 2r + 1 if r = 3.

Back

7

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, allowing you to multiply a single term by two or more terms inside a set of parentheses.

Front

Use the distributive property to simplify: 38(251m - 45)

Back

38 · 251m - 38 · 45

Front

What is prime factorization?

Back

Prime factorization is the process of expressing a number as the product of its prime factors.

Front

What is the prime factorization of 110?

Back

2 • 5 • 11

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is a constant in mathematics?

Back

A constant is a fixed value that does not change.