How do you find the vertex of a parabola f(x) = x^2 - 3x? Algebra Quadratic Equations and Functions Vertex Form of a Quadratic Equation 1 Answer bp Jun 27, 2015 Vertex is (3/2, -9/4) Explanation: Write y= x^2 -3x+9/4 -9/4 = (x-3/2)^2 -9/4 Vertex is (3/2, 9/4) Answer link Related questions What is the Vertex Form of a Quadratic Equation? How do you find the vertex form of a quadratic equation? How do you graph quadratic equations written in vertex form? How do you write y+1=-2x^2-x in the vertex form? How do you write the quadratic equation given a=-2 and the vertex (-5, 0)? What is the quadratic equation containing (5, 2) and vertex (1, –2)? How do you find the vertex, x-intercept, y-intercept, and graph the equation y=-4x^2+20x-24? How do you write y=9x^2+3x-10 in vertex form? What is the vertex of y=-1/2(x-4)^2-7? What is the vertex form of y=x^2-6x+6? See all questions in Vertex Form of a Quadratic Equation Impact of this question 1241 views around the world You can reuse this answer Creative Commons License