SOLUTION: Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether it's vertex lies above, on or below the x-axis. Y=4x^2-1

Question 889807: Without drawing the graph of the equation, determine how many points the parabola has in common with the x-axis and whether it's vertex lies above, on or below the x-axis. Y=4x^2-12x+12

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
If y=0 then

zeros are
NOT a real number.

The parabola does not share any points with the x-axis. The vertex is a minimum as found that the coefficient on , 4, is positive; and the vertex is above the x-axis.
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