How many solutions does this linear system have?

y=2x-5

-8x-4y=-20

A. One solution (-2.5,0)

B. One Solution (2.5,0)

C. No Solution

D. Infinite Number of Solutions

Question

Annabel Mendez

31 August, 02:59

+3

Answers (2)

Know the Answer?

Ware · Answer 1

B. y=2x-5

-4y=8x-20

y=-2x+5

2x-5=-2x+5

x=2.5

2x*2.5-5=0

-2x*2.5+5=0

so (2.5,0)

Eden Wilkinson · Answer 2

You can simplify the second equation by divining both sides by 4

Which gives you - 2x - y = - 5

Rearrange the terms and it'll give you y=-2x+5

How many solutions does this linear system have?y=2x-5-8x-4y=-20A. One solution (-2.5,0)B. One Solution (2.5,0)C. No SolutionD. Infinite Number of Solutions