4-8 Equivalent Expressions

Front

What is an equivalent expression?

Back

An equivalent expression is an expression that has the same value as another expression for all values of the variable(s) involved.

Front

How do you express 'a number p increased by 48'?

Back

p + 48

Front

What is the result of combining like terms in the expression 3x + 5 + 7x + 2?

Back

10x + 7

Front

What is the equivalent expression for 4(3 x 2)?

Back

(2 x 4) x 3

Front

What is the value of the expression 4(t – 2) + 3 when t = 10?

Back

35

Front

Which expression is equivalent to 5 x 3?

Back

3 x 5

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a number across a sum.

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.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents a number in an expression or equation.

Front

What is the difference between an expression and an equation?

Back

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