Graphing Notes

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Unformatted text preview: dinate 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. Algebra I Chp. 3.1 ­ Graphing Linear Eqs. November 14, 2012 Examples: Ex. 1 ­ Determine if the equation is linear or not then write it in standard form. a) (1/3)y = ­1 b) y = x2 ­ 4 c) 5x + 3 = xy + 2 d) (3/4)x = y + 8 Ex. 2 The table shows the function relating the distance to an amusement park in miles and the time in hours the Torres family has driven. Hours Miles 0 248 1 186 2 124 3 62 4 0 a) Find the x and y intercepts b) What do the intercepts mean? Ex. 3 ­ Graph each equation by using the x & y intercepts. 10 a) ­x + 2y = 3 8 6 4 2 ­10 ­8 ­6 ­4 2 4 6 8 10 2 4 6 8 10 2 4 6 8 10 2 4 6 8 10 2 ­2 4 6 8 10 ­2 ­4 ­6 ­8 ­10 b) y = ­x ­ 5 10 8 6 4 2 ­10 ­8 ­6 ­4 ­2 ­2 ­4 ­6 ­8 ­10 Ex. 4 ­ Graph by making a table. a) 2x ­ y = 2 10 8 6 4 2 ­10 ­8 ­6 ­4 ­2 ­2 ­4 ­6 ­8 ­10 10 b) x = 3 8 6 4 2 ­10 ­8 ­6 ­4 ­2 ­2 ­4 ­6 ­8 ­10 10 c) y = ­2 8 6 4 2 ­10 ­8 ­6 ­4 ­2 ­2 ­4 ­6 ­8 ­10 Algebra I Chp. 3.1 ­ Graphing Linear Eqs. November 14, 2012 Homework: Average (+13) ­­> p. 157 (#14­18 Evens, 19­22, 24­34 Evens) Advanced (+17) ­­> p. 157 (#36­48 Evens, 49, 50­56 Evens, 59, 64, 65, 67, 68) Algebra I...
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This document was uploaded on 03/13/2014 for the course MATH Algebra at Arlington Local High School.

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