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## Math 1508

by: lugarte2 Notetaker

10

0

2

# Math 1508 Pre-Calculus

lugarte2 Notetaker
UTEP
GPA 4.0

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Notes from section 1.3
COURSE
Pre-Calculus MATH 1508
PROF.
Francisco Avila
TYPE
Bundle
PAGES
2
WORDS
CONCEPTS
Precalculus, Linear Equations, Section 1.3, Math, two variables
KARMA
75 ?

## Popular in Math

This 2 page Bundle was uploaded by lugarte2 Notetaker on Tuesday March 15, 2016. The Bundle belongs to Pre-Calculus at University of Texas at El Paso taught by Francisco Avila in Spring 2016. Since its upload, it has received 10 views. For similar materials see Pre-Calculus MATH 1508 in Math at University of Texas at El Paso.

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Date Created: 03/15/16
PRECALCULUS LINEAR EQUATIONS (IN TWO VARIABLES) The graph of a linearequation is a straight line  SLOPE isthe change in the y variableper unitinthex variable ???????????????? ???? = run  The slope of a line is passing through two1po1nts ( 2 , 2 )and ( X , Y ) ( 1 ,1Y ) ????2− ???? 1 ???? = ???? − ???? ( X2, 2 ) 2 1 Negative slope Positive slope  Givenslope “m” and one point onthe line ( X , Y ), the y-intercept is giving by 1 1 ???? = ????1− ???????? 1  Givenslope “m” and one point onthe line its equationisgiven1by ???? − ???? =1????(???? − ???? ) ????2−1  Givenslope “m” and two points on the line its equation???? − ???? 1 ( by )(???? − ????1) ????2−????1  Two lines are parallel w1en 2 = m  Two lines are perpendicularw???? = 1 1 ???? 2 EXAMPLE Find the equation of a line passing through (0, 2) which is perpendicular to a line with the equation 6x+4y=8 1) Find the slope of the equation. 6???? + 4???? = 8 4???? = −6???? + 8 SLOPE ???? = − ???? + 8 4 4 4 2) For a perpendicular slop???? =se6 3) Find the y-intercept ???? = ????1− ???????? 1 4 ???? = 2 − ( ) 0( ) 6 ???? = 2 The equation oftheline is 4 ???? = ????6+ 2  When ahorizontalline passing through (0,a) itsequation isy=a  When averticalline ispassing through(a,0)itsequation isx=a

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