anonymous
  • anonymous
Im graphing a parabola using the function; y = 3x^2 - 6x + 1. My question says what is the equation of the axis of symmetry, how would I solve it? (simple easy version plzz) xD
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
make a sketch of the function from -3 to +3 in intervals of 1. Then think about the questions again it should become more clear
amistre64
  • amistre64
-b/2a
amistre64
  • amistre64
-middle#/2(first#) include signs

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amistre64
  • amistre64
x = --6/2(3) = 6/6 = 1
anonymous
  • anonymous
oh sorry i did not reply hold on let me read and try to comprehend what you wrote.
anonymous
  • anonymous
now looking at this you could also solve it graphically if that helps understand why amistre's equation is what it is
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anonymous
  • anonymous
how would you solve it grapically then, i am having a hard time putting the info together.... ;P
anonymous
  • anonymous
ok so when they say axis of symmetry the mean, graphically, where on the graph could you make a line so that if you put a mirror on that line you would see a mirror image of whatever is on the other side. so here it was y=1, which is a straight line going up and down from x=1. so if you put a mirror on that line, looking at the graph, would you see the mirror image?
anonymous
  • anonymous
I entered the equation into the graphing calculator and ok yea its y = 1 right.... Yes you would wouldnt you?...
anonymous
  • anonymous
see a mirror image. that is
anonymous
  • anonymous
i dunno that is something you cant explain, you just have to look at the graph and see what i mean since it is really obvious in this case. just think about it and you will get it :)
anonymous
  • anonymous
haha blonde here!! But ya... maybe in a few days i'll figure it out jk lol (:
anonymous
  • anonymous
ok ya just looked at it and im pretty sure i figured it out... thx!! (: haha not a math kinda girl im a writer.. :P but anyways thx!!

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