Point-Slope and Slope-Intercept Form Vocabulary

What variable represents the slope of a line?

• x

• m

• b

• k

What variable represents the y-intercept of a line?

• y

• m

• b

• x

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

• y = mx + b

• ax + by = c

• a² + b² = c²

• (y - y₁) = m(x - x₁)

What does slope describe?

• the y-intercept

• the curve

• the steepness of the line

What is the y-intercept

• steepness of the line

• where the line crosses the y-axis

• where the line crosses the x-axis

Describe a line when slope = 0

• vertical

• slanted down from left to right

• horizontal (flat)

• slanted up from left to right

Describe a line when the slope is undefined

• vertical (straight up & down)

• slanted down from left to right

• horizontal (flat)

• slanted up from left to right

How can you find the slope of a line on a graph?

• y = mx + b

What does the "rise" refer to?

• the vertical change of a line on a graph

• the horizontal change of a line on a graph

• where the line crosses the y-axis

What does the "run" refer to?

• where the line crosses the x-axis

• 
  the vertical change of a line on a graph

• 
  the horizontal change of a line on a graph