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Mathematics 7 Online
OpenStudy (highschoolmom2010):

What are the points of discontinuity? Are they all removable?

OpenStudy (highschoolmom2010):

\[\frac{ \left( x-5 \right) }{x^2-6x+5}\]

OpenStudy (highschoolmom2010):

@ganeshie8

OpenStudy (anonymous):

set the denominator equal to zero and solve for \(x\)

ganeshie8 (ganeshie8):

discontinuity occurs when the given rational expression becomes undefined rational expression becomes undefined when the denominator becomes 0

ganeshie8 (ganeshie8):

simply set the denominator equal to 0 and solve x for discontinuities

ganeshie8 (ganeshie8):

\[\large x^2 - 6x + 5 = 0\] see if you can solve \(\large x\)

OpenStudy (highschoolmom2010):

i have gotten to \[x^2-6x+5=0\] \[x^2-6x+5-5=0-5\] \[x^2-6x=5\] now i am confused on where to go next with this

ganeshie8 (ganeshie8):

quadratics wont work like that, try to factor it instead

ganeshie8 (ganeshie8):

remember factoring ?

OpenStudy (highschoolmom2010):

ah ok (x+6 )(x-1)

ganeshie8 (ganeshie8):

\[\large x^2 - 6x +5 = 0\] \[\large (x-5)(x-1) = 0\]

OpenStudy (highschoolmom2010):

wait i thought |dw:1421944865308:dw|

ganeshie8 (ganeshie8):

its the opposite actually... find two number such that they : 1) add up to -6 2) multiply to 5

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