y = kx (6th Grade)

Front

What is the equation for a proportional relationship?

Back

y = kx

Front

If y (minutes) = 3x (cookies eaten), how many cookies can you eat in 3 minutes?

Back

1 cookie

Front

What is the INDEPENDENT variable in the relationship between minutes and words?

Back

minutes

Front

What is the DEPENDENT variable in the relationship between minutes and bubbles?

Back

bubbles

Front

What is the equation that represents the relationship if y = 3x?

Back

y = 3x

Front

What does 'k' represent in the equation y = kx?

Back

'k' is the constant of proportionality.

Front

If k = 2, what is the value of y when x = 4?

Back

y = 8

Front

What is a proportional relationship?

Back

A relationship where the ratio of y to x is constant.

Front

If y = 5x, what is the value of y when x = 2?

Back

y = 10

Front

What does it mean if a relationship is not proportional?

Back

The ratio of y to x is not constant.