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Axis of Symmetry

Find the axis of symmetry for each

Definitions:
y= x^2 %2b 4, y= x^2 - 8%2b 10x, y= 8x^2 %2b x %2b 5, y= 4x^2 %2b 4x %2b 5, y= x^2 - 16x %2b10, y= x^2 %2b 8x %2b6, y = 4x^2 - 2x, y= 2x^2%2b16x%2b 10 crossword maker , y=-x^2%2b4x%2b5, y= 4x^2 %2b 2x, y=2x^2 %2b 4x %2b 5 , y= 8x^2 - x %2b 5, y= 4x^2 - 4x %2b 5, y=x^2%2b4x%2b5, y= x^2 - 8x %2b 10, y= 2x^2-4x %2b 5,

Answers:
x = -2, x= -1/2 , x=-1, x= -4, x= 1 invite students , x= 1/2, x= -5, x=2, x= 1/4, x= 0 , x = -1/4 , x= 1/16 active teaching , x=- 1/16, x=8, x=-4, x= 4,