roxy1218
roxy1218
25-04-2014
Mathematics
contestada
Find the number of solutions :
4x-2y=8
y=2x+8
Respuesta :
elouramstark
elouramstark
25-04-2014
I think it would be no solution
4x-2(2x+8)=8
4x-4x+16=8
0x+16=8
16=8
which is wrong
Answer Link
Lilith
Lilith
25-04-2014
[tex]\begin{cases} 4x-2y=8 \\ y=2x+8 \end{cases} \\ \\\begin{cases} 4x-2y=8 \\-2x+ y= 8 \ \ /*2\end{cases}\\ \\\begin{cases} 4x-2y=8 \\-4x+ 2y= 16 \ \ /*2\end{cases} \\+ \ \ -------- \\ 0=24 \\ \\ Answer : \ no \ solution[/tex]
Answer Link
VER TODAS LAS RESPUESTAS ( 76+ )
Otras preguntas
2 times the diffrence of t and 11
how many times does 6 go into 85
A water skier wants to be able to get up to a correct standing position faster. What type of activity would be the most appropriate to focus on during training
You are walking in Paris alongside the Eiffel Tower and suddenly a croissant smacks you on the head and knocks you to the ground. From your handy dandy tourist
A machine shop worker records the mass of an aluminum cube as 176 g. If one side of the cube mesures 4cm, what is the density of the cube ?
what are 2 processes that use oxygen
Which term can be defined as "rule by a few individuals"? a. aristocracy b. monarchy c. democracy d. anarchy
In addition to decreasing the amount of fat in a dish, salsa can also increase the amount of A. vitamin C and fiber. B. calcium and phosphorus. C. sodium and ch
What Were the successes and challenges of medieval asia?
How strongly will salary factor in to your descision to find your career
