anonymous
  • anonymous
The vertex is (1, 4) and the sign of a is -2 How do I find the range?
Mathematics
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anonymous
  • anonymous
The vertex is (1, 4) and the sign of a is -2 How do I find the range?
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
are u talking about a parabola?
anonymous
  • anonymous
no the lines are linear
anonymous
  • anonymous
so what exactly is the vertex you're referring to?

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anonymous
  • anonymous
Sorry I know that I sound stupid right now. lol The vertex is a graph I had to draw. The graph was y = -2 Ix - 1I + 4
anonymous
  • anonymous
no you don't sound that way... math is so broad that vertex could mean a lot of things... i'm just trying to clarify the question... and good thing i did because i thought the question was referring to a parabola... :)
anonymous
  • anonymous
thankyou :P
anonymous
  • anonymous
so the graph is an absolute value function... y = -2|x-1| + 4
anonymous
  • anonymous
because of the -2, the vertex will be HIGHEST point in the graph....
anonymous
  • anonymous
HINT: the highest value for y is 4...
anonymous
  • anonymous
So the range would be all real numbers between -2 and 4?
anonymous
  • anonymous
no... the range is: all real numbers less than or equal to 4
anonymous
  • anonymous
I get it! :D Thankyou!
anonymous
  • anonymous
yw...:)

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