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Mathematics 12 Online
OpenStudy (anonymous):

What is the vertex of y = 2|x| – 1 ? I am confused since there is nothing in the absolute value thingy

OpenStudy (anonymous):

all i know is you some serious maths prombalems

OpenStudy (anonymous):

i know

OpenStudy (anonymous):

I really do need an explanation. I am currently taking a quizz

OpenStudy (anonymous):

well my brain can not comperhand

OpenStudy (anonymous):

where's the multiple choice

OpenStudy (anonymous):

I was thinking x=0 but I am not sure

OpenStudy (anonymous):

What is the vertex of y = 2|x| – 1 ? (–1, 0) (0, –1) (0, 1) (1, 0)

OpenStudy (zzr0ck3r):

what is the vertex of |x|?

OpenStudy (zzr0ck3r):

now imagine moving the whole thing down 1

OpenStudy (zzr0ck3r):

the x value does not change but the y does

OpenStudy (anonymous):

so does x=0?

OpenStudy (zzr0ck3r):

so (0,0) becomes (0,-1)

OpenStudy (zzr0ck3r):

yes

OpenStudy (anonymous):

thanks

OpenStudy (zzr0ck3r):

np

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