SOLUTION: I need help with these equations please. We are to use the standard form in solving x & y intercept. Thanks.....8y+4x=24 5y+10x=30 6y+12x=24 7y+7x=28.

Algebra ->  Linear-equations -> SOLUTION: I need help with these equations please. We are to use the standard form in solving x & y intercept. Thanks.....8y+4x=24 5y+10x=30 6y+12x=24 7y+7x=28.       Log On


   

Question 73105: I need help with these equations please. We are to use the standard form in solving x & y intercept. Thanks.....8y+4x=24 5y+10x=30 6y+12x=24 7y+7x=28.
Found 3 solutions by checkley75, Earlsdon, stanbon:
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
8Y+4X=24, 8Y=-4X+24, Y=-4X/8+24/8, Y=-X/2+3
5Y+10X=30, 5Y=-10X+30, Y=-10X/5+30/5, Y=-2X+6
6Y+12X=24, 6Y=-12X+24, Y=-12X/6+24/6, Y=-2X+4
7Y+7X=28,7Y=-7X+28,Y=-7X/7+28/7, Y=-X+4

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Solve for x- and y-intercepts. Standard form is ax%2Bby+=+c
To find the x-intercept, let y = 0 and solve for x.
To find the y-intercept, let x = 0 and solve for y.
1) 8y%2B4x+=+24
4x%2B8y+=+24 Let x = 0.
4%280%29%2B8y+=+24
8y+=+24 Divide both sides by 8.
y+=+3 This the y-intercept.
4x%2B8y+=+24 Let y = 0.
4x+%2B+8%280%29+=+24
4x+=+24 Divide both sides by 4.
x+=+6 This the x-intercept.
graph%28300%2C200%2C-5%2C8%2C-5%2C5%2C%28-1%2F2%29x%2B3%29
2)5y%2B10x+=+30
10x%2B5y+=+30 Let x = 0.
10%280%29%2B5y+=+30 Simplify.
5y+=+30 Divide both sides by 5.
y+=+6 Ths the y-intercept.
10x%2B5y+=+30 Let y = 0.
10x+%2B+5%280%29+=+30 Simplify.
10x+=+30 Divide both sides by 10.
x+=+3 This is the x-intercept.
graph%28300%2C200%2C-5%2C5%2C-5%2C8%2C-2x%2B6%29
You should get the idea by now so try the others on your own...if you still have trouble with them, please repost.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
We are to use the standard form in solving x & y intercept. Thanks....


8y+4x=24
Let x=0 then y=3 =====the y intercept
Let y=0 then x=6 =====the x intercept
-------


5y+10x=30
Let x=0 then y=6 =====the y intercept
Let y=0 then x=3 =====the x intercept
--------

6y+12x=24
Let x=0 then y=4 =====the y intercept
Let y=0 then x=2 =====the x intercept
===========

7y+7x=28.
Let x=0 then y=4 =====the y intercept
Let y=0 then x=4 =====the x-intercept
=============
Cheers,
Stan H.