9.22 Unit 1 Practice

Front

What is the algebraic expression for 'Four times a number'?

Back

4n

Front

How do you express 'Four less a number' in algebraic form?

Back

n - 4

Front

Simplify the expression: -9 + 4(4x + 9)

Back

27 + 16x

Front

What is the algebraic expression for 'The difference of his number and four'?

Back

n - 4

Front

How do you express 'Four more a number' in algebraic form?

Back

n + 4

Front

What does the term 'algebraic expression' mean?

Back

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

Front

Define 'variable' in the context of algebra.

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is the difference between an expression and an equation?

Back

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

Front

What is the algebraic expression for 'Three times a number plus five'?

Back

3n + 5

Front

How do you express 'The sum of a number and ten' in algebraic form?

Back

n + 10