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

when may a minor legally purchase alcohol
Which meal is best for a pregnant woman to eat? ​
cellular respiration is when what energy from sugar/glucose is converted to cellular
Can someone please help me with my science research I kind of need help in a few things that I listed, I’m currently working on this element which is called Cur
Which amendment protects the rights of every American, suck as freedom of speech, religion, and press?
Which of the following equations fits the data shown in the table? y=−2x y=2x y=2x+3 y=−2x+3
Figures of Speech:Question 2 "The air felt like a cold fire against his skin." This quote is an example of Select one: oxymoron. euphemism. paradox understateme
Order from least to greatest. 0.64, 13/20, 63%
Given a slope of 5 and y-intercept of 2, write an equation for the relationship.
Is this a cubic graph? Is it a reflection of its parent graph? This graph shifted _ by _ units