SOLUTION: how to solve each system by graphing?
problems:
1) y= 7x + 4 and y= -x - 4
2) 2x + y = 3 and x - 2y = 4
3) x - 3y = - 9 and x - 3y = 6
Algebra.Com
Question 465385: how to solve each system by graphing?
problems:
1) y= 7x + 4 and y= -x - 4
2) 2x + y = 3 and x - 2y = 4
3) x - 3y = - 9 and x - 3y = 6
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
They're straight lines, so you need 2 points for each equation.
Pick values for x and find y.
Plot the 2 points.
Draw a line thru them.
The solution of the system is where the lines intersect.
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