DETERMINING THE SLOPE OF A LINE

Math Tech 210th Grade

•The students will… determine the slope of a line from a

graph.determine the slope of a line using the

slope formula.determine the slope of a line from

data in a table.

Elementary Algebra Standards EA-2.6 EA-5.6 EA-5.7

Review of Slope Intercept Form

In the equation y = 2/3x – 5, 2/3 represents the __________ of the line.When you are graphing y = 3/4x + 7,

3/4 indicates that you should move up _____units and over ______ units from the y-intercept 7.

The graph of y = -3 is a ________________ line.

The graph of x = 2 is a _________________ line.

slope

3 4

horizontalvertical

What is the slope of a line?

Click to watch this video from etv StreamlineSC.

Slope can be … Positive

Negative

Zero

Undefined (No slope)

Slope can be determined by…

Rise Run

m = y2 – y1 x2 – x1