Opener
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Opener PowerPoint PPT Presentation


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Opener. Please pick up the opener worksheet from the front of the classroom. Answers. Homework Questions. Notes: P.2. Linear models and rates of change. Linear Equations. Formulas. Can you…. Standard Form Point-slope Form Slope-intercept form. Graph? Find intercepts? Find the slope?

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Opener

Opener

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


Answers

Answers


Homework questions

Homework Questions


Notes p 2

Notes: P.2

Linear models and rates of change


Linear equations

Linear Equations

Formulas

Can you…

  • Standard Form

  • Point-slope Form

  • Slope-intercept form

Graph?

Find intercepts?

Find the slope?

Change it into other forms?


Slope

Slope

  • Slope, , is the rate of change for the linear equation

  • When , you get a horizontal line

  • When is , you get a vertical line


Parallel and perpendicular lines

Parallel and Perpendicular Lines

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


Technology pitfall

Technology Pitfall

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

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


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