destinyacosta22 destinyacosta22
  • 02-03-2015
  • Mathematics
contestada

Solve each system of inequalities by graphing.

x-2y<3
2x+y>8

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 02-03-2015
not easy to graph but

multily first equaiton by -2 remember to flip sign
-2x+4y>-6
add to other equaiton

2x-2x+y+4y>-6+8
5y>2
divide by 5
y>2/5

subtitute
2x+2/5>8
subtract 2/5 from both sdies
2x>7 3/5
divid eby 2
x>38/10=19/5=3 4/5

x>3 4/5
y>2/5
just shade the area in that zone, not including point (0,0)
Answer Link

Otras preguntas

Make sure to - when performing minor vehicle maintenance on your own
Please help............... :)
The destruction of Pan Am Flight 103 over Lockerbie, Scotland killed many Americans and was a terrible act of domestic terrorism. 1) True 2) False
Find the slope of (1, 2), (-1, -2). Reduce all fractional answers to lowest terms
went deep sea fishing with his friends. while they were on the boat a hurricane struck. marco and his friends were brought ashore. where medical professionals o
Please help with this !!
I need help please??!
DNA is copied, in a process called _______, so that a cell's DNA can be passed on to its daughter cells. A. recombination B. replication C. gene exp
Please help me out please
Find the slope of (0, 3), (4, 0). Reduce all fractional answers to lowest terms.