3.4 Notes Flashcardizz : Write Algebraic Expressions

Front

What is a coefficient in algebra?

Back

A coefficient is a numerical factor that multiplies a variable in an algebraic expression.

Front

Where does a coefficient appear in an algebraic expression?

Back

A coefficient always comes before the variable.

Front

Write an algebraic expression for 'five less than a number'.

Back

n - 5

Front

Write an algebraic expression for 'twice a number'.

Back

2n

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes numbers, variables, and operation symbols.

Front

What does the variable represent in an algebraic expression?

Back

A variable represents an unknown value that can change.

Front

Write an algebraic expression for 'the sum of a number and 10'.

Back

n + 10

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equal sign, while an equation does.

Front

Write an algebraic expression for 'three times a number decreased by 4'.

Back

3n - 4

Front

What does it mean to evaluate an algebraic expression?

Back

To evaluate an algebraic expression means to substitute the value of the variable and perform the operations.