This can be a great way to check your work or to see How to find the vertex from vertex form.
How do you find a in vertex form from a graph? to find the vertex: use formula x= -b/2a. plug x into the given equation to find y value. now you have (h,k) find a point on the graph
!The vertex formula is used to find the vertex of a parabola. The formula to find the vertex is (h, k) = (-b/2a, -D/4a), where D = b 2-4ac.
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y = −3x 2 − 6x − 9 = −3 (x 2 + 2x + 3) Now, the coefficient of x 2 is 1. Here are the steps to convert the above expression into the vertex form. Step 1: Identify the coefficient of x. Step 2: Make it half and square the resultant number. Step 3: