SOLUTION: what are the slope and y intercept of 8x+2y=4 solve A= pis(r1+r2) for r1

Algebra ->  Linear-equations -> SOLUTION: what are the slope and y intercept of 8x+2y=4 solve A= pis(r1+r2) for r1      Log On


   

Question 170831: what are the slope and y intercept of 8x+2y=4
solve A= pis(r1+r2) for r1
Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
write in slope intercept form which is y=mx+b where m is slope and b the y-int
:
2y=-8x+4--->y=-4x+2.....thus the slope is highlight%28-4%29 and the y intercept is highlight%282%29
:
:
A=p%28r%5B1%5D%2Br%5B2%5D%29
:
A%2Fp=r%5B1%5D%2Br%5B2%5D
:
r%5B1%5D=%28A%2Fp%29-r%5B2%5D