Learn how to write the equation of a parabola given the vertex and a point

The video tutorial explains how to write a quadratic equation in vertex form, solve for the coefficient 'a', and convert the equation to standard form. It begins by introducing the vertex form and the necessary components, H and K. The instructor then demonstrates solving for 'a' using a given vertex and point on the line. Finally, the tutorial covers converting the vertex form to standard form by expanding the equation and distributing terms.

What are the components needed to write a quadratic equation in vertex form?

• a, h, k

• x, y, z

• a, b, c

• p, q, r

How do you solve for 'a' in the vertex form equation?

• By substituting known values of x, y, h, and k

• By using the quadratic formula

• By graphing the equation

• By guessing the value

What is the next step after finding the value of 'a' in the vertex form?

• Solve for x

• Substitute 'a' back into the vertex form equation

• Graph the equation

• Convert to standard form

What is the standard form of a quadratic equation?

• y = mx + b

• a(x - h)^2 + k

• ax^2 + bx + c

• x^2 + y^2 = r^2

What common mistake should be avoided when expanding the vertex form to standard form?

• Ignoring the constant term

• Using the wrong formula

• Not solving for 'a' first

• Forgetting to distribute the 'a'