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

What does the interneuron do between the afferent and efferent neurons?
he campus of a college has plans to construct a rectangular parking lot on land bordered on one side by a highway. There are 720 ft of fencing available to fenc
what would this turn to? I have attached​ the question
How does an allele cause a trait in an organism? O A. The allele is a code to form a type of gene. O B. The allele is used during transcription to make DNA. O C
A.obtuse B.straight C.acute D.right
The song “If I Fell” is noted for all of the following except: (a) authorship by George Harrison (b) a duet underscoring an emotional message of hurt mixed with
To fill out a function's ___ ___, you will need to use test numbers before and after each of the function's ___ and asymtopes A). Sign chart; Values B). rationa
What is the equation of the line that is parallel to 8x-5y=2 and goes through the point (-5,-2)
Find the area please
Find the geometric mean of 24 and 32