The axis of symmetry for a parabola of the form y = ax2 + bx + c is x = -b/2a
So the axis is x = -2/2*(-3) or x=1/3
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Yes, it crosses at (0.23,0) and (1.43,0).
the answer is -174
y = 3x2+2x-1 Line of symmetry: x = -1/3 Vertex coordinate: (-1/3, -4/3)
If you mean: 3x2+8+5 = 0 Then it crosses the x axis at points -1 and -5/3
-2