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 do you say 'im getting over you' in spanish
what type of society did stevenson live in
Which of the following differs when comparing the deep ocean to the intertidal zone? •need for energy •salinity •the amount of sunlight •reliance on phytoplankt
express each number in fraction form before finding the inverse:7,10,1 3/4,
What is the fraction ten fourteenths in its simplest form?
How long does interphase last?
The point (3,7) is reflected in the y axis. What are the coordinates of the transformed point?
Why are frying pans usually made out of metal?
In class 6, 80percent of the children like crisps. 75percent of the children who like crisps also like chocolate. In class 6 what percentage of the children lik
how many thirds in 5