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Mathematics 20 Online
OpenStudy (anonymous):

Solve x2 – 4x = 5.

OpenStudy (anonymous):

pleasee :)

sam (.sam.):

x2 – 4x = 5 Subtract 5 both sides x2 – 4x -5= 0 Factor|dw:1365653142080:dw|

sam (.sam.):

(x-5)(x+1)=0 x=5, and x=-1 Do you understand?

OpenStudy (anonymous):

yess thank you sam :)

OpenStudy (anonymous):

can someone help me with another!??

OpenStudy (anonymous):

What is the axis of symmetry of the graph of y = 4(x – 1)2 – 3?

OpenStudy (anonymous):

no slope

OpenStudy (anonymous):

??

OpenStudy (anonymous):

thats not a choice! :(

OpenStudy (anonymous):

x = 1 x = –1 x = 3 x = 4

OpenStudy (anonymous):

can anyone help me please :)

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