BrownieWuver BrownieWuver

02-02-2015
Mathematics

contestada

How many solutions are there to the following system of equations?

4x – 14y = 6
–2x + 7y = –3

A.
1

B.
2

C.
infinitely many

D.
0

Respuesta :

02-02-2015

[tex]4x-14y=6 \\ -2x+7y=-3 \ \ \ |\times 2 \\ \\ 4x-14y=6 \\ \underline{-4x+14y=-6} \\ 4x-4x-14y+14y=6-6 \\ 0=0 \\ always \ true \\ \\ \boxed{\hbox{infinitely many solutions}} \Leftarrow \hbox{answer C}[/tex]

Answer Link

Otras preguntas

When protecting the client and therapist relationship which best describes the appropriate boundaries to set?

Cancer cells are less likely than normal cells to undergo _______, or programmed cell death.

Which of the answer choices is a cross section of the highlighted region of the mushroom in the picture

What is the scientific name of Seri Silk worm?

What might go wrong during childbirth? What can be done to remedy the situation?

A farmer in China discovers a mammal hide that contains 37% of its original amount of C-14. Find the age of the mammal hide to the nearest year.

The following characteristic differentiates emotional expressions from other a. non-emotional b. nonverbal behaviors

Social psychologists Festinger and Carlsmith (1959) paid some participants $20 and other participants $1 to lie and say that a boring task was not boring. Ident

Can someone help me solve this question I can't seem to manage it

A danger of some kinds of work, Hochschild argues, is that the worker can become estranged and alienated from an aspect of: