Quick Math Homework Help

Sometimes when you have a quadratic equation in standard form you need to switch it to vertex form. Vertex form is helpful when you need to graph the equation.

Let’s review the steps of switching from standard to vertex form with the following quadratic equation.

A quadratic is polynomial with x^2 as the highest term.

x^2 + 24x -1 = f(x)

X^2 + 24

X^2 + 24 -1 =f(x)

24/2=12 and 12^2 =144

X^2 +24x +144 -144 -1 =f(x)

(X+12)^2

The perfect square is always the square root of what we just found in step 3. In this example it is square root of 144 which equals 12.

(x+12)^2 -145 = f(x)

Now we have our functions, so we can figure out our h and k.

h is the opposite of what we see which is -12

k is the same sign as what we see ( -145) and the h and k becomes your vertex that you can use to graph your quadratic equation.

The following video works two example problems and will help you understand how to change from the standard form to vertex form.

4 resources to help with " Changing from Standard form to Vertex Form.

Virtual Nerd Changing from Standard to Vertex Form I found this video very clear and helpful for learning how to change forms of a quadratic equation.

Converter from Standard to Vertex Enter the Quadratic equation in standard form and it will convert it to vertex form.

Notes and Tips Enjoy these notes, tips, and sample problems of changing from standard to vertex form.

Video Changing Standard to Vertex This video had the most views of any other video on this topic. I found it helpful, and easy to follow.

Bonus Resource: Factoring Quadratic Functions

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