Constant of Proportionality and Slope

Front

What is the constant of proportionality in the equation y = 3x?

Back

3

Front

What type of slope is represented in a horizontal line?

Back

0

Front

What type of slope is represented in a vertical line?

Back

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Front

What does a positive slope indicate about a graph?

Back

As x increases, y also increases.

Front

What does a negative slope indicate about a graph?

Back

As x increases, y decreases.

Front

How should slope be expressed?

Back

As a fraction in simplest form.

Front

What is the formula to find the constant of proportionality (k) from y and x?

Back

Front

In the equation y = kx, what does k represent?

Back

The constant of proportionality.

Front

If the slope of a line is 2, what does this mean?

Back

For every 1 unit increase in x, y increases by 2 units.

Front

What is the slope of the line represented by the equation y = -4x + 5?

Back

-4