lewistabora7 lewistabora7

21-05-2017
Mathematics

contestada

what is the equation of the axis of symmetry for the parabola y= 1/4(x+2)^2-7
x=-8
x=1/4
x=2
x=-2

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georgekhalil00 georgekhalil00

21-05-2017

Your answer is -2 as the axis of symmetry is at -b/2a. So if you were to expand the equation, you would get y= x^2/4 +x -6 where b is 1 and 2a is ½ . Therefore -1 / ½ gives you -2

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