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# Quadratic Functions (Complete the Square)

1. 1
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=x^2+6x+1$$
2. 2
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=-x^2+8x+3$$
3. 3
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=x^2+2x+7$$
4. 4
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=-x^2-6x+1$$
5. 5
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=2x^2+10x+1$$
6. 6
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=-3x^2+18x-10$$
7. 7
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=\frac{1}{2}x^2+5x+2$$
8. 8
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=-\frac{1}{2}x^2-4x+2$$
9. 9
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=0.4x^2+2.4x+5$$
10. 10
Write the function in vertex form $y=a(x-h)^2+k$ and state the coordinates of the vertex and the maximum or minimum value. $$y=-0.3x^2+3.6x+5$$

$$e=mc^2$$