lexyyh lexyyh
  • 25-11-2014
  • Mathematics
contestada

Which ordered pair is the solution to the system of equations?
2x+y=-8
x-y=-4
A) (-3,-2)
B) (-1,3)
C) (1,5)
D) (-4,0)

Respuesta :

luana
luana luana
  • 25-11-2014
[tex] \left \{ {{2x+y=-8} \atop {x-y=-4}} \right. \\+----\\\\3x=-12\ \ \ \ |:3\\x=-4\\\\-4-y=-4\\-4+4=y\\y=0\\\\Answer\ D(-4,0)[/tex]
Answer Link

Otras preguntas

The function g(x) = 2x2 – 28x + 3 written in vertex form is g(x) = 2(x – 7)2 – 95. Which is one of the transformations applied to the graph of f(x) = x2 to prod
One cubic foot of sand weighs 100 pounds a square sandbox with 5 foot sides has half a foot of sand in it how many pounds of sand in the sandbox holding
Which ratio is equivalent to 4 : 28? A. 3 : 14 B. 8 : 52 C. 1 : 7 D. 1 : 8
what is the mean for the following set of numbers? 66,85,98
Which fungus is unicellular?
The gland which signals other glands to secrete hormones is the ____ gland.
What shows the number of protons in it's nucleus
The cube has a mass of 72.9 g. What is its density in g/cm3? What substance is it?
American Indians of which region were expert in making bows and arrows? Plains Northeast Great Basin Southwest
coral needs clear water,constant salinity, wave action and.