Algebraic expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. It does not have an equality sign.

Front

How do you represent '4 less than x' in algebraic form?

Back

x - 4

Front

What is the result of evaluating the expression 5y + 2 when y = 3?

Back

17

Front

How do you express '5 times d and then increased by 8' in algebraic form?

Back

5d + 8

Front

What does the expression 'a + 4' represent?

Back

The sum of a and 4.

Front

In the expression 5p + 4h - 2, which are the variables?

Back

p and h.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, usually a letter, that represents an unknown value.

Front

What is the difference between a constant and a variable in algebra?

Back

A constant is a fixed value, while a variable can change or represent different values.

Front

How do you simplify the expression 3x + 2x?

Back

You combine like terms to get 5x.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.