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Opener

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Please pick up the opener worksheet from the front of the classroom

Notes: P.2

Linear models and rates of change

Formulas

Can you…

- Standard Form
- Point-slope Form
- Slope-intercept form

Graph?

Find intercepts?

Find the slope?

Change it into other forms?

- Slope, , is the rate of change for the linear equation
- When , you get a horizontal line
- When is , you get a vertical line

Two distinct nonvertical lines are parallel if and only if their slopes are equal—that is, if and only if .

Two nonvertical lines are perpendicular if and only if their slopes are negative reciprocals of each other—that is, if and only if

When graphing on calculator, aspect ratio of screen is not square.

You can switch to square setting (Zoom 5) to make it square :-)