Topic 2B review

Front

What is the unit rate/constant of proportionality?

Back

40 miles in 1 hour

Front

What is the slope of a horizontal line?

Back

0

Front

Which equation represents a line with a slope of 7?

Back

y = 7x

Front

What is the equation y=kx if k=3?

Back

y=3x

Front

How would you describe a relationship where y is directly proportional to x?

Back

Proportional

Front

What does the term 'slope' refer to in a graph?

Back

The steepness or incline of a line, calculated as rise over run.

Front

If a line has a slope of -1, what does that indicate about the relationship between x and y?

Back

As x increases, y decreases at the same rate.

Front

What is the constant of proportionality in the equation y=5x?

Back

5

Front

How do you determine if two quantities are proportional?

Back

If their ratio remains constant.

Front

What is the slope of a vertical line?

Back

Undefined