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Graphing Notes

# Graphing Notes - Chp.3.1GraphingLinearEqs November14,2012...

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Chp. 3.1 ­ Graphing Linear Eqs. Algebra I November 14, 2012 Date: Chapter: Chapter 3:1 ­­> Graphing Linear Equations Objectives: Identify linear equations, intercepts, and zeros. Graph linear equations

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Chp. 3.1 ­ Graphing Linear Eqs. Algebra I November 14, 2012 Notes: Recycling one ton of waste paper saves an avg. of 17 trees, 7000 gallons of water, 3 barrels of oil and about 3.3 cubic yds of landfill space. The relationship between the amount of paper recycled an the number of trees saved can be expressed with the equation y = 17x, where y represents the number of trees and x represents the tons of paper recycled. * Linear Equation = An equation that forms a line when it is graphed. * Standard Form = Ax + By = C = A > 0, A & B both not 0, & A, B, and C are integers with a GCF of 1 * Constant = C in last equation; a #. * X­Intercept = The x­coordinate of an ordered pair (x, y) = Where the line crosses the x­axis * Y­Intercept = The y­coordinate of an ordered pair (x, y) = Where the line crosses the y­axis ­­­Note­­ (x =) is a vertical line that crosses the x­axis (y =) is a horizontal line that crosses the y­axis.
Chp. 3.1 ­ Graphing Linear Eqs.

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