Q. A parabola opening up or down has vertex (0,0) and passes through (4,4). Write its equation in vertex form.Simplify any fractions.______
Vertex Form Explanation: What is the vertex form of a parabola?The vertex form of a parabola is given by the equation y=a(x−h)2+k, where (h,k) is the vertex of the parabola.
Equation at Vertex: What is the equation of a parabola with a vertex at (0,0)?Since the vertex is at the origin (0,0), we substitute h=0 and k=0 into the vertex form equation.y=a(x−0)2+0y=ax2
Value of 'a' Calculation: Determine the value of 'a' using the point (4,4).We know the parabola passes through the point (4,4), so we substitute x=4 and y=4 into the equation y=ax2.4=a(4)24=16a
Solving for 'a': Solve for 'a'.Divide both sides of the equation by 16 to solve for 'a'.164=a41=a
Final Equation in Vertex Form: Write the equation of the parabola in vertex form using the value of 'a'.Substitute 41 for a in the equation y=ax2.y=(41)x2This is the equation of the parabola in vertex form.
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