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Mathematics 21 Online
OpenStudy (pulsified333):

x-2y=1 2x-4y=2 Which one of the following statements best describes your solution: A. There is no solution. B. There is a unique solution. C. There are 2 solutions. D. There are infinitely many solutions. Statement: D Solve for y in terms of x. y = ?

OpenStudy (anonymous):

think there is some typo here

OpenStudy (pulsified333):

Let me fix the equations

OpenStudy (pulsified333):

@satellite73 I fixed it

OpenStudy (pulsified333):

@Directrix

OpenStudy (fibonaccichick666):

what do you think and why pulsi?

OpenStudy (anonymous):

|dw:1445921574812:dw|

OpenStudy (pulsified333):

infinitely many

OpenStudy (anonymous):

yes you have got only one line.

OpenStudy (fibonaccichick666):

ok, why do you think infinitely many is the answer?

OpenStudy (pulsified333):

because if you try to solve for x and y then they cancel.

OpenStudy (fibonaccichick666):

ok, that works, another way to notice that , is to see that the second eq is just the first multiplied by 2

OpenStudy (fibonaccichick666):

it will save you time in the long run

OpenStudy (pulsified333):

how do you find what y=?

OpenStudy (fibonaccichick666):

pick one eq, and have just y on one side

OpenStudy (fibonaccichick666):

ie, put it in slope intercept form

OpenStudy (fibonaccichick666):

that is all it means

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