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Mathematics 13 Online
OpenStudy (anonymous):

What is the x-coordinate of the vertex of y = |4x + 12| + 3 ? –3 0 3 4

OpenStudy (anonymous):

Vertex is where the sign of "inside expression" inside the absolute brackets changes sign, that is passes through zero. Itmeans the vertex is where 4x+12=0

OpenStudy (anonymous):

thank you for such a clear explanation :)

OpenStudy (anonymous):

Medal, maybe "fan" ?..

OpenStudy (anonymous):

Thanks

OpenStudy (anonymous):

yw

OpenStudy (anonymous):

fan.... please ?

OpenStudy (anonymous):

;)

OpenStudy (anonymous):

I did

OpenStudy (anonymous):

Great - have more qs ?

OpenStudy (anonymous):

u know it

OpenStudy (anonymous):

What is the problem ?

OpenStudy (anonymous):

4x +12 =0 ==> 4x=-12 ==> ?

OpenStudy (anonymous):

Select the point that is on the right side of the vertex of y = |x + 3| + 4. (–5, 6) (–4, 5) (–3, 4) (–1, 6)

OpenStudy (anonymous):

Lets call ur function f(x) = |x + 3| + 4.. The vertex is (-3, f(-3)) = u complete

OpenStudy (anonymous):

The graph is looking like|dw:1346776652849:dw|

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