Slope and Y-Intercept

Front

What is the slope in the equation y = mx + b?

Back

The slope (m) represents the steepness of the line.

Front

What does the y-intercept represent in a graph?

Back

The y-intercept is the point where the line crosses the y-axis.

Front

If m = 2 and b = 3, what is the slope-intercept equation?

Back

y = 2x + 3

Front

What is the slope of a line that goes up from left to right?

Back

The slope is positive.

Front

What is the slope of a line that goes down from left to right?

Back

The slope is negative.

Front

What is the slope of a horizontal line?

Back

The slope is 0.

Front

What is the slope of a vertical line?

Back

The slope is undefined.

Front

Which ordered pair represents a y-intercept?

Back

(0, b) where b is any number.

Front

If a line has a slope of 1, what does it look like?

Back

It rises one unit up for every one unit it moves to the right.

Front

If a line has a slope of -1, what does it look like?

Back

It falls one unit down for every one unit it moves to the right.