Question 467442
Graph y=x^2-1 (label the vertex and the axis of symmetry) and tell whether the parabola opens upward or downward.
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y=x^2-1
This is a parabola that opens upwards with vertex at (0,-1).
Axis of symmetry: y-axis or x=0
See graph below as a visual check on answers
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{{{ graph( 300, 300, -10, 10, -10, 10,x^2-1) }}}