SOLUTION: What is the x- and y-intercept and the equation of the line symmetry for: {{{y=x exponent 2 + 6x +8}}}

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This is a parabola, that opens upward.

The x-intercept (where y=0), is at

0= (x+2)(x+4)
x = -2, x= -4.

Y-intercept is where x=0.



Line of symmetry is always halfway between the intercepts, which would be halfway between x=-2 and x= -4. Line of symmetry is the line x= -3.

Graph looks like this:


R^2 at SCC