Part 1: Explain, in complete sentences, how you would use the graphing method to solve the following system of equations. (3 points) Part 2: Provide the solution to the system. (2 points) Part 3: Explain what the solution represents on the graph. (1 point)

3x – 6y = 12
9x + 2y = –24

Question

Part 1: Explain, in complete sentences, how you would use the graphing method to solve the following system of equations. (3 points) Part 2: Provide the solution to the system. (2 points) Part 3: Explain what the solution represents on the graph. (1 point)

3x – 6y = 12
9x + 2y = –24

campbell_st · Answer

rewrite the equations in point slope form

y = 1/2 x -2
y = -9/2 x - 12

use a table of values for each line

|dw:1331581329895:dw|

graph the lines and find the point of intersection. 

Substitute the point into each like to check it is a solution. 

the point is the where the lines have a common x and y value.