jaymar715
jaymar715
07-06-2018
Mathematics
contestada
Anybody know this answer? It’s mad hard
Respuesta :
choixongdong
choixongdong
07-06-2018
3x + y = -2 so y = -3x - 2
and
x - 2y = 4
substitute y = -3x - 2 into x - 2y = 4
x - 2y = 4
x - 2(-3x - 2) = 4
x + 6x + 4 = 4
7x = 0
x = 0
y = -3(0) - 2
y = -2
solution (0 , -2)
Answer
B. There is exactly one solution at (0, -2)
Answer Link
LongBickStyle
LongBickStyle
07-06-2018
There is exactly one solution (0,-2)
Answer Link
VER TODAS LAS RESPUESTAS ( 87+ )
Otras preguntas
Which metal will displace nickel in a compound? A. Tin B. Arsenic C. Zinc D. Platinum
Infared waves can be used to _____ A. Generate electricity B. Kill cancer cells C. Change one color into another D. Warm food
In chapter 4 in "Tia Lola came to visit / stay" what's the main idea?
A quotation of prejudice in how to kill a mockingbird
How to go to a website with an ip address?
Which of the following sentences could take the place of: Yo dije la verdad a mi madre. (1 point)
Kyla used 550 grams of wool to knit a sweater, a hat, and a scarf. For the hat she used 5 times less wool than the sweater and 5 grams more than the scarf. How
if the products of a reaction are nacl and h2o what does the law of conservation of mass reveal about the reactants in the reaction?
m∠JWL=(2x+93)° °. Find the m∠JWIm .
The electric field between two parallel plates has a magnitude of 1250 N/C. The positive plate is 0.05 m away from the negative plate. The electric potential d
