Interpreting Slope and Y-intercept

Front

What is the slope of a line that decreases as you move from left to right?

Back

Negative

Front

What is the slope of the line if it goes down 1 unit for every 2 units it moves to the right?

Back

-1/2

Front

What type of slope does a horizontal line have?

Back

Zero slope

Front

In the context of a graph representing the height of a burning candle, what does the slope represent?

Back

The change in the height of the candle each hour it is burning.

Front

What is the slope of a line that increases as you move from left to right?

Back

Positive

Front

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

Back

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

Front

What is the slope of a vertical line?

Back

Undefined

Front

How do you calculate the slope between two points (x1, y1) and (x2, y2)?

Back

Slope = (y2 - y1) / (x2 - x1)

Front

What does a slope of 0 indicate about a line?

Back

The line is horizontal.

Front

If a line has a slope of -2, what does this indicate about its direction?

Back

The line decreases steeply as you move from left to right.