T3 Review

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest number that is a multiple of each of the numbers.

Front

How do you find the LCM of algebraic expressions like 40a²b and 48ab²?

Back

To find the LCM of algebraic expressions, factor each expression into its prime factors and take the highest power of each factor.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

How many terms are in the expression 7y + 3 - 7k - 2?

Back

There are 4 terms in the expression: 7y, 3, -7k, and -2.

Front

What is a composite number?

Back

A composite number is a positive integer that has at least one positive divisor other than one or itself, meaning it can be divided evenly by numbers other than 1 and itself.

Front

Identify a composite number from the following: 17, 51, 97, 89.

Back

51 is a composite number because it can be divided by 1, 3, 17, and 51.

Front

What does it mean to factor an expression?

Back

Factoring an expression means to break it down into simpler expressions (factors) that, when multiplied together, give the original expression.

Front

Factor the expression 9x + 27.

Back

The factored form is 9(x + 3).

Front

What is a variable in mathematics?

Back

A variable is a letter or symbol that represents a number in mathematical expressions or equations.

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an algebraic expression, indicating how many times the variable is multiplied.