How many solutions does -4x+y=1 and 2y-2=8x have?

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asked Sep 10, 2017 59.2k views

1 Answer

Xavier Falempin · Answer 1 · 2017-09-17T08:38:14+0000

Well let's put both in slope intercept form first, which is y=mx+b, in other words solve for y.

-4x + y = 1
y = 4x + 1

2y - 2 = 8x
2y = 8x + 2
y = 4x + 1

They are the same line as you can see. Therefore, they will have infinitely many solutions.

How many solutions does -4x+y=1 and 2y-2=8x have?

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