SOLUTION: Helping my daughter and I am totally confused on all of this. PLEASE HELP!!! The problem is 8x+4y=28. She was told to find y,slope, & y intercept. Any help would be greatly appreci

Algebra ->  Graphs -> SOLUTION: Helping my daughter and I am totally confused on all of this. PLEASE HELP!!! The problem is 8x+4y=28. She was told to find y,slope, & y intercept. Any help would be greatly appreci      Log On


   

Question 567166: Helping my daughter and I am totally confused on all of this. PLEASE HELP!!! The problem is 8x+4y=28. She was told to find y,slope, & y intercept. Any help would be greatly appreciated!!

Thanks,
Stressed Out Mom
Answer by nottohave(4) About Me  (Show Source):
You can put this solution on YOUR website!
To find y, solve for y
8x +4y=28
After Minus 8x both side.
4y=28-8x
After Divide 4 on both side -> y =7-2x
Slope formula: m= rise/run. Linear equa.: y= (m)(x)+b so slope is m= -2.
Y-intercept is when x=0. y= 7-2(0)-> y= 7
X-intercept is when y=0.