Sunday

March 1, 2015

March 1, 2015

Posted by **John** on Monday, November 21, 2011 at 12:10pm.

Step 0: y=x(x-4)

Step 1: y=x^2-4x

What's next?

Calculator shows vertex at (2,-4)

I asked before, but I'm still stuck. Please help. thanks.

- Math (URGENT) -
**drwls**, Monday, November 21, 2011 at 12:39pmI answered before, by completing the square, and told you why the vertex is at (2, -4).

Why don't you just plot the curve yourself?

- Math (URGENT) -
**John**, Monday, November 21, 2011 at 12:46pmI understand why the vertex is there, I just don't understand what you mean by completing the square.

- Math (URGENT) -
**drwls**, Monday, November 21, 2011 at 12:51pmhttp://www.themathpage.com/alg/complete-the-square.htm#complete

**Answer this Question**

**Related Questions**

Math (URGENT) - How to graph: y=x(x-4) Calculator shows the vertex at (2,-4) Can...

Math - This isn't very urgent but can you please break this down to me step by ...

Math urgent help please!! - You have 500 cm² of material available to cover ...

geometry - The figure shows some of the steps Jane took to draw a line segment ...

Quick math help - In which step below does a mistake first appear in simplifying...

Math - Express this function in vertex form by completing the square: 3x^2 - 4x...

Calculus--complex numbers - let z= a+bi be a complex number. it is given that ...

MATH - A student is solving the equation 81x – 1 = 3x + 2. Step 1: 81x – 1 = 3x...

Algebra help - f(x)=x^3-4x^2-x+4 How do I find the x-intercept for this? This is...

Algebra help+check please? - Graph the function. Compare the graph with the ...