can somebody please help me through this question? I totally forgot everything over the summer, and I'm in AP algebra so i would
really appreciate catching up. Thanks dudes !
2 answers:
Do you know what the right answer is? I haven't done this stuff since high school. So, I could be wrong. I thought I'd warn you in advance. ;)
I am not sure if this is how you do the problem, but this is how I did it:
I plugged in x-values to each equation until I found the one that fit the graph. The shading I believe represents the side of the line that we would like to have a y-coordinate on. I attached a screenshot of my work. Hope it makes sense!
I am not sure if this is how you do the problem, but this is how I did it:
I plugged in x-values to each equation until I found the one that fit the graph. The shading I believe represents the side of the line that we would like to have a y-coordinate on. I attached a screenshot of my work. Hope it makes sense!
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Answer:
The coordinates are x = -1 and y = -2.
Step-by-step explanation:
Given:
Equations are 2x-4y=6 and 3x+y=-5.
Now, to find the coordinates.
...........(1)
...........(2)
So, first we solve the equation 1 to get the value of .
Subtracting both sides by we get:
Dividing both sides by 2 we get:
Now, we put the value of in equation 2 to get
.
On solving the whole equation we get :
And, now putting the value of in equation (1) we get
:
on solving we get:
Therefore, the coordinates are x=-1 and y=-2.