Equations and Graphing Concepts

These flashcards cover key concepts related to equations, coefficients, variables, constants, and graph interpretation.

What is a coefficient in an equation?

A number used to multiply a variable.

What does the term 'variable' mean?

A symbol for a letter we don't know yet.

Define 'constant.'

A number by itself.

What is the difference between an expression and an equation?

An expression does not contain an '=' sign, while an equation shows that two things are equal and contains an '=' sign.

What is the 'Constant of Proportionality'?

The value that represents the direct relationship between two proportional quantities; often referred to as the 'constant rate'.

What does the ordered pair (1, 7) represent in the context of the situation?

It represents 7 dollars, indicating the cost of 1 hour.

What is the total cost to rent a bicycle for 3 hours if it costs 7 dollars per hour?

The total cost is 21 dollars.

What does 'rise over run' refer to?

It refers to the slope of a graph, calculated as the change in vertical distance (rise) divided by the change in horizontal distance (run).