Graphing Lines Slope-Intercept Form

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

What is the slope of a line that rises 2 units for every 1 unit it runs?

Back

2/1 or 2

Front

What is the slope of a line that falls 1 unit for every 2 units it runs?

Back

-1/2

Front

What is the slope-intercept form of a linear equation?

Back

y = mx + b, where m is the slope and b is the y-intercept.

Front

How do you identify the slope from the equation y = 3x + 4?

Back

The slope is 3.

Front

How do you identify the y-intercept from the equation y = -2x + 5?

Back

The y-intercept is (0, 5).

Front

What does a positive slope indicate about a line?

Back

The line rises from left to right.

Front

What does a negative slope indicate about a line?

Back

The line falls from left to right.

Front

What is the y-intercept of the line represented by the equation y = -x + 2?

Back

(0, 2)