vanna21 vanna21

04-08-2017
Mathematics

contestada

Use Gauss-Jordan elimination to solve the following system of equations. 3x + 5y = 7 6x − y = −8 A. x = 2, y = 1 B. x = 5, y = 6 C. x = 3, y = −1 D. x = −1, y = 2

Respuesta :

ghanami ghanami

04-08-2017

hello :
(-1, 2) verifies the 2 equations Answer D
because :
3(-1)+5(2) = 7...right
6(-1)-(2) = -8...... right

Answer Link

Otras preguntas

What is the square root of this problem?—-

What is the simplified value of the exponential expression 216^1/3

What does Earth's hydrosphere include? the water on Earth the hard outer part of Earth the layer of gases surrounding Earth the living things on Earth

Subtract. 3/8−(−5 1/4) Enter your answer, as a mixed number in simplest form. P.S -5 1/4 is a mixed number)

Can someone help me please!!!

What was the most important job of the congress in 1777

what property of water results from the high cohesion between water molecules?

Please help with your own answers Which task would most likely be completed by a fraud examiner? A. Supervise staff members to monitor their progress. B. Pr

The Yellowstone Supervolcano has the potential to cause large scale damage when it erupts. Conduct independent research and answer the following questions: Whe

can someone help me please