SOLUTION: 5. Solve each of the following systems by graphing.
2x – y = 8
x = 2
Algebra.Com
Question 125745: 5. Solve each of the following systems by graphing.
2x – y = 8
x = 2
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given system of equations:
Let's solve for y on the first equation
Start with the given equation
Subtract from both sides
Rearrange the equation
Divide both sides by
Break up the fraction
Reduce
Now lets graph (note: if you need help with graphing, check out this solver)
Graph of
Now graph
In order to graph , simply draw a vertical line through the tick mark "" on the x-axis
Graph of
Add the graph of to the graph of
Graph of (red line) and (black line)
From the graph, we can see that the two lines intersect at the point (2,-4)
RELATED QUESTIONS
Solve each of the following systems by graphing.
5.
x – y = 8
x + y = 2
(answered by jim_thompson5910)
Solve each of the following systems by graphing.
2. x – 2y = 8
3x – 2y = 12
(answered by jim_thompson5910)
Solve each of the following systems by graphing.
2x – y = 4
2x –y = 6
Solve each of... (answered by praseenakos@yahoo.com)
Solve each of the following systems by graphing.
6.
4x + 3y = 12
x + y = 2
(answered by jim_thompson5910)
question: solve each of the following systems by graphing
2x-y=4... (answered by tutorcecilia)
solve each of the following systems by graphing...
2x -y = 4, 2x -y = 6 (answered by funmath,balla52541)
Solve each of the following systems by graphing.
2x-y=4
2x-y=6
(answered by Earlsdon)
solve each of the following systems by graphing.
2x-y=4... (answered by jim_thompson5910)
Solve each of the following systems by graphing
2x-y=4... (answered by jim_thompson5910)