U6.L12.Review

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing an equal sign (e.g., 3x + 5 = 11).

Front

What must all equations contain?

Back

All equations MUST contain an equal sign.

Front

Which of the following can be written as an equation: 'Four was three less than a number'?

Back

This statement can be written as an equation: x - 3 = 4.

Front

What is the equivalent expression for 3x + 5?

Back

x + x + x + 5 is equivalent to 3x + 5.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variable.

Front

What is a variable in mathematics?

Back

A variable is a symbol (often a letter) that represents an unknown value in an equation or expression.

Front

What is the product of a number and 6?

Back

The product of a number (x) and 6 is expressed as 6x.

Front

How can you represent 'Twice a number minus 6' as an equation?

Back

This can be represented as 2x - 6.

Front

What is the solution to the equation -7x = 84?

Back

The solution is x = -12.

Front

What does it mean for an equation to be balanced?

Back

An equation is balanced when both sides have the same value.