Equation Models

Front

What is an equation model?

Back

An equation model is a mathematical representation that describes a relationship between variables using an equation.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is the solution to the equation x + 6 = -11?

Back

x = -17.

Front

What is the equation for the model if the solution is x = 4?

Back

x - 4 = 0.

Front

What does the term 'variable' mean in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an equation.

Front

What is the equation for the model if the solution is x = 2?

Back

x - 2 = 0.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, you perform operations to get the variable on one side of the equation and the constants on the other.

Front

What is the equation for the model if -3x = 18?

Back

x = -6.

Front

What does it mean when an equation has no solution?

Back

An equation has no solution when there is no value for the variable that makes the equation true.

Front

What is the equation for the model if the solution is x = 8?

Back

x - 8 = 0.