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

how much is 3/4 of 12
Sue is 17 years old and believes she is overweight. Which would be the best strategy for maintaining her health?
Possums ___ death in order to deceive predators in search of live prey. a. circumspect b. excavate c. feign d. orbit
name all the worlds ocean and include their size
aiden baked 8 dozen muffins. how many total muffins did he baked?
round 438,692 to the nearest thousand
Which leader was put in jail for fighting apartheid in South Africa? Mao Zedong Nelson Mandela Mikhail Gorbachev F.W. de Klerk
Under feudalism, an aristocrat would give vassals land in an agreement in which the vassals would then give protection to the lord. a. True b. False
What are the solutions to 4x^2 +25=0
There are 12 eggs in a carton kim used 1/3 of a carton if eggs to make muffins how many eggs did she use.