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

The belief that the will of most of the people will be just more often than it will be unjust is called _____.
please help is how you do it?
What were the eastern, western and northern boundaries of Egyptian settlement ?
Why did the British fight the French in 1754?
rewrite this expression using the distributive property then simplify. 2/3(6x+12)
Nitrogen is important to life because it is part of _____. DNA, amino acids, and proteins plant photosynthesis the air we breathe lightning storms
5 animals that live in the ocean
. (3 pt) What was the Ottoman Empire known for? A. People there experienced cultural and religious toleration. B. Shahs there supported the arts. C. The empire
Take a look at the statement below: Fish meal is better than artificial fertilizers. How could this statement be revised to make it a hypothesis? Fish meal is s
Most management problems can be prevented by carefully defining the areas of: