Graphing Slope-Intercept Form Techniques

The video tutorial explains how to graph lines in slope-intercept form, focusing on the formula y = mx + b. It covers identifying the y-intercept and using the slope to plot additional points. The tutorial also explores alternative plotting methods and explains how to graph horizontal lines, emphasizing the concept of slope and its impact on line direction.

What is the minimum number of points needed to graph a line?

• Three

• Two

• Four

• One

In the equation y = mx + b, what does the b value represent?

• The slope

• The x-intercept

• The y-intercept

• The coefficient of x

What is the y-intercept of the line given by the equation y = 3x - 2?

• (-2, 0)

• (0, -2)

• (3, 0)

• (0, 3)

How is the slope of a line typically written when graphing?

• As a whole number

• As a decimal

• As a fraction

• As a percentage

If the slope of a line is 3, how would you move from one point to the next?

• Down 1, left 3

• Down 3, left 1

• Up 1, right 3

• Up 3, right 1

What does the term 'rise over run' refer to?

• The y-intercept

• The slope

• The x-intercept

• The equation of the line

For the line y = 1/2x - 2, what is the slope?

• 1/2

• 2

• -1/2

• -2

How would you graph the line y = -2x + 5?

• Start at (0, -2), then down 5, right 1

• Start at (0, 5), then up 2, right 1

• Start at (0, -2), then up 5, right 1

• Start at (0, 5), then down 2, right 1

What is the slope of a horizontal line?

• Negative

• Undefined

• Zero

• Positive

What form do all horizontal lines take?

• y = mx + b

• x = my + b

• y = some number

• x = some number