Algebraic expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

What does the term 'variable' mean in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown number. For example, in the expression 2x + 3, 'x' is the variable.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable. In the expression 4y, 4 is the coefficient.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form. For example, 2x + 3x simplifies to 5x.

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. For example, 2x + 3 = 7 is an equation, while 2x + 3 is an expression.

Front

What operation does the expression '6h' represent?

Back

The expression '6h' represents multiplication, specifically 6 times h.

Front

How would you write 'w increased by 7' as an algebraic expression?

Back

You would write it as 'w + 7'.

Front

If a pizza has p slices for 4 students, how many slices does each student get?

Back

Each student gets p/4 slices.

Front

If a monkey has 4 bananas and the zookeeper gives him f more, how would you express this?

Back

You would express this as '4 + f'.

Front

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

Back

The variables are 'p' and 'h'.