SOLUTION: graph y=3x^2 -12x-3. Then state the vertex. Please help me with this.

Question 981430: graph y=3x^2 -12x-3. Then state the vertex.
Please help me with this.
Found 2 solutions by josgarithmetic, macston:
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Put into standard form and then try to graph.

Study the lesson on Completing The Square.

Now you know the vertex, how the parabola is oriented, and can find the zeros.

Answer by macston(5194) (Show Source): You can put this solution on YOUR website!
.

.
Standard form:
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y=3x^2-12x-3
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x value of vertex:

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Use the x value in original equation to get y value.
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The vertex is (2,-15)

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