Unit 3 Assessment

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor in a term of an algebraic expression. For example, in the term 4r, 4 is the coefficient.

Front

How can you express 3y in another way?

Back

3y can be expressed as y + y + y.

Front

Back

The value is 25.

Front

What does the Commutative Property state?

Back

The Commutative Property states that the order of addition or multiplication does not change the result. For example, 6 + 4 = 4 + 6.

Front

How do you write the expression 5 x (9 - 2) in words?

Back

Five times the difference of nine and two.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations. For example, 2x + 3.

Front

What is the difference between an equation and an expression?

Back

An equation states that two expressions are equal, while an expression is a combination of numbers and variables without an equality sign.

Front

What is the Distributive Property?

Back

The Distributive Property states that a(b + c) = ab + ac. It allows you to multiply a single term by each term in a parenthesis.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number that can change or vary.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform any operations to make it easier to understand or calculate.