ellafraley2011 ellafraley2011

26-09-2017
Mathematics

contestada

What is the correct classification of the system of equations below?
12x − 3y = 9
y − 4x = -3

parallel
coincident
intersecting

Respuesta :

texaschic101 texaschic101

26-09-2017

y - 4x = -3
y = 4x - 3.....slope is 4, y int is -3

12x - 3y = 9.....divide everything by 3
4x - y = 3
4x - 3 = y...re-arrange
y = 4x - 3....slope is 4, y int is -3

u have the same line, meaning coincident lines.....infinite solutions

answer : coincident lines

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